Re: JavaScript slide show works bad on the first page load - JavaScript Discussion Boards

Re: Javascript function error.

and180y13-Jun-20 5:57

and180y

13-Jun-20 5:57

Have added some more elements (not in use at present) but still not getting the breakeven to calculate.

HTML

<div class='col-sm-2 mb-1'>
          <input type='number' id='time' class='form-control' data-calc='time' placeholder='Minutes Allocated' tabindex='2'>
        </div>
    <div class='col-sm-2 mb-2'>
          <input type='text' id='current' class='form-control form-output' data-calc='current' value='£0.00' tabindex='-1'>
        </div>
	<div class='col-sm-2 mb-2'>
          <input type='text' id='breakeven' class='form-control form-output' data-calc='breakeven' value='£0.00' readonly tabindex='-1'>
        </div>
	<div class='col-sm-2 mb-2'>
          <input type='text' id='tier1' class='form-control form-output' data-calc='tier1' value='£0.00' readonly tabindex='-1'>
        </div>
	<div class='col-sm-2 mb-2'>
          <input type='text' id='tier2' class='form-control form-output' data-calc='tier2' value='£0.00' readonly tabindex='-1'>
      	  </div>
		 </div>

JavaScript

<script>
	<button type="button" onBlur="calcTime()">Calculate</button>

function calcTime() {

  // Make references to input elements
  const time = document.getElementById("timeAllowed"),
    current = document.getElementById("currentCharge"),
    breakEven = document.getElementById("breakEven"),
    tier1 = document.getElementById ("tier1"),
	tier2= document.getElementById ("tier2");

  // Get the element values, convert to number/float
  // By default, values are strings, and don't do math well.
  let t = parseFloat(time.value);
  let c = parseFloat(current.value);

  // Perform the equation
  let bE = t * c;

  // Output the equation
  breakEven.innerHTML = bE.toString();

}

modified 13-Jun-20 12:43pm.

Re: Javascript function error.

Richard MacCutchan13-Jun-20 6:31

Richard MacCutchan

13-Jun-20 6:31

Look at the id names you are using in the HTML against the ones you are using in the Javascript. You need to read through your code more closely.

Re: Javascript function error.

and180y13-Jun-20 11:48

and180y

13-Jun-20 11:48

Thanks Richard, you were right. In my haste I lost focus. Smile | :)

Re: Javascript function error.

jkirkerx13-Jun-20 7:36

jkirkerx

13-Jun-20 7:36

You got it wrong ... You are fresh at this Wink | ;)

I can't test this at the moment, but it should work.
I hope it does.

<script>    

function calcTime() {

  // Make references to input elements
  const time = document.getElementById("time"),
    current = document.getElementById("current"),<br />
    tier1 = document.getElementById ("tier1"),
    tier2= document.getElementById ("tier2"),
    breakEven = document.getElementById("breakEven"),
    results = document.getElementById("results");

  // Get the element values, convert to number/float
  // By default, values are strings, and don't do math well.
  let t = parseFloat(time.value);
  let c = parseFloat(current.value);

  // Perform the equation
  let bE = t * c;

  // Output the equation to the span element, remove the comments below
  console.log("breakEven=", bE); // Diagnostics, hit F12 on your keyboard and select console
  results.innerHTML = bE.toString(); // innerHTML is for a span tag, value is textbox
}
</script>

<div class='col-sm-2 mb-1'>
  <input type='number' id='time' class='form-control' data-calc='time' placeholder='Minutes Allocated' tabindex='2'>
</div>
<div class='col-sm-2 mb-2'>
  <input type='text' id='current' class='form-control form-output' data-calc='current' value='£0.00' tabindex='-1'>
</div>
<div class='col-sm-2 mb-2'>
  <input type='text' id='breakEven' class='form-control form-output' data-calc='breakeven' value='£0.00' readonly tabindex='-1'>
</div>
<div class='col-sm-2 mb-2'>
  <input type='text' id='tier1' class='form-control form-output' data-calc='tier1' value='£0.00' readonly tabindex='-1'>
</div>
<div class='col-sm-2 mb-2'>
  <input type='text' id='tier2' class='form-control form-output' data-calc='tier2' value='£0.00' readonly tabindex='-1'>
</div>
<div class="row col-12">
   <button type="button" onBlur="calcTime()">Calculate</button>
</div>
<div class="row col-12">
  <span id="results">0</span> 
</div>

If it ain't broke don't fix it
Discover my world at jkirkerx.com

Re: Javascript function error.

and180y13-Jun-20 11:47

and180y

13-Jun-20 11:47

Jkirkerx, not sure why but your post vanished. I tried it but no luck. Going to change a few things so will keep you updated, thanks for your help thus far. Smile | :)

JavaScript slide show works bad on the first page load

Hypnonis8-Jun-20 20:03

Hypnonis

8-Jun-20 20:03

Hello,

I'm having an issue with my javascript slider inside removals page.

You can check it out on www.poznanprzeprowadzki.pl (not a commercial :P), section "Galeria".

On the first load, the slideshow works but, the 3/4 of one image and 1/4 of second image is inside the slideshow-container. It is possible to slide through the gallery, but one click on the button isn't moving the image enough. After the refresh, inside the slideshow-container there is only one image, and it works fine sliding through gallery.

I included the script after the footer section. Hope someone can help me... Smile | :)

<script>
		const slideshowSlide = document.querySelector('.slideshow-slide');
		const slideshowImages = document.querySelectorAll('.slideshow-slide img');

		//Buttons

		const prevBtn = document.querySelector('#prevBtn');
		const nextBtn = document.querySelector('#nextBtn');

		//Counter
		let counter = 1;
		const size = slideshowImages[0].clientWidth;

		slideshowSlide.style.transform = 'translateX(' + (-size * counter) + 'px)';

		//Button Listeners

		nextBtn.addEventListener('click',function(){
			if (counter >= slideshowImages.length-1) return;
			slideshowSlide.style.transition = 'transform 0.4s ease-in-out';
			counter++;
			slideshowSlide.style.transform = 'translateX(' + (-size * counter) + 'px)';
		});

		prevBtn.addEventListener('click',function(){
			if (counter <= 0) return;
			slideshowSlide.style.transition = 'transform 0.4s ease-in-out';
			counter--;
			slideshowSlide.style.transform = 'translateX(' + (-size * counter) + 'px)';
		});

		slideshowSlide.addEventListener('transitionend', ()=>{
			if (slideshowImages[counter].id === 'lastclone') {
				slideshowSlide.style.transition = "none";
				counter = slideshowImages.length - 2;
				slideshowSlide.style.transform = 'translateX(' + (-size * counter) + 'px)';
			}
			if (slideshowImages[counter].id === 'firstclone') {
				slideshowSlide.style.transition = "none";
				counter = slideshowImages.length - counter;
				slideshowSlide.style.transform = 'translateX(' + (-size * counter) + 'px)';
			}
		});
	</script>

Re: JavaScript slide show works bad on the first page load

Richard Deeming8-Jun-20 22:30

Richard Deeming

8-Jun-20 22:30

Unless the <img> element has an explicit width set, you'll need to wait for the images to finish loading before you can measure them. On the first page load, your script is probably running before the images have finished loading. On subsequent page loads, the images are probably being loaded from the cache, and finish loading before you script runs.

There's a handy plugin for detecting when all images in a container have finished loading:
GitHub - desandro/imagesloaded: JavaScript is all like "You images done yet or what?"[^]

"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer

Re: JavaScript slide show works bad on the first page load

Hypnonis9-Jun-20 6:33

Hypnonis

9-Jun-20 6:33

Unfortunately it didn't help. I tried to set height and width of the images, tried to set the width of the images to 100% of the containers width and nothing helped.

I used both CDN scripts from your link.

I just realized that Mozilla Firefox is also displaying the slideshow bad. The images are way smaller and are all visible.

JSON object not showing values.. Can someone help

Member 35640766-Jun-20 4:33

Member 3564076

6-Jun-20 4:33

Code is here:-

<!DOCTYPE html>
<html lang="en-US">
<head>
</head>
<body>
  
{% csrf_token %}
    
<script>  

//Your string
    
let a = "{{models}}"    
a = a.replace(/"/g, '"');
a = a.replace(/(?:\r\n|\r|\n)/g, '');

let stringToParse = JSON.stringify(a);      
//document.body.innerHTML = `<p> Received String: ${stringToParse}</p>`;

//Converting your string to object
let convertedToObject = JSON.parse(stringToParse);
document.body.innerHTML = `<p> Received String: ${convertedToObject}</p>`;

//Getting the boardMembers list from your parsed object
let listBoardMembers = convertedToObject.boardMembers;
let listExecutives  =  convertedToObjects.executives;    

document.body.innerHTML = `<p> listboard: ${listBoardMembers}</p>`;
document.body.innerHTML = `<p>  listexecutives: ${listExecutives}</p>`;
   
    
//Creating Elements on HTML (creating a Paragraph with the received data and a container for the list of members). *Notice: I've created a "DIV" (container) with a unique ID ("listMembers"). This is important because when I start to iterate the members I will add them inside the container, and for that, I need to reference it using an ID.*

//document.body.innerHTML = `<p> Received String: ${convertedToObject}</p>`;
document.body.innerHTML += `<div id="listMembers"></div>`;

//Iterating the list of boardMembers using this length;
for (let i = 0; i < listBoardMembers.length; i++) {
  let member = listOfMembers[i];

  let memberName = member.name;
  let memberImageURL = '';

  // Verify if the user has thumbnail
  if (member.thumbnail !== null){
     memberImageURL = member.thumbnail.url;
  }

  //Adding this member to the member's container, using the container ID, that we created previously.

  document.getElementById('listMembers').innerHTML += `
     <div style="display: flex;">
       <img src="${memberImageURL}">
       <h1>${memberName}</h1>
     </div>
  `;
}
      
  </script>
</body>
</html>

JSON object is here:-

{"boardMembers": [{"id": "7394026", "name": "Stephen Joseph Squeri", "slug": "7394026-stephen-joseph-squeri", "companyName": "American Express Co", "company": {"id": "AXP:US", "name": "American Express Co"}, "webVisibility": true}, {"id": "3994082", "name": "Ronald A Williams "Ron"", "slug": "3994082-ronald-a-williams-"ron"", "companyName": null, "company": null, "webVisibility": false}, {"id": "1439479", "name": "Theodore J. Leonsis", "slug": "1439479-theodore-j-leonsis", "companyName": "Monumental Sports & Entertainment", "company": null, "webVisibility": true}, {"id": "1499616", "name": "John Joseph Brennan "Jack"", "slug": "1499616-john-joseph-brennan", "companyName": "Vanguard Charitable Endowment", "company": null, "webVisibility": true}, {"id": "1501790", "name": "Dr Daniel L Vasella "Dan"", "slug": "1501790-dr-daniel-l-vasella-"dan"", "companyName": null, "company": null, "webVisibility": false}, {"id": "1512919", "name": "Anne Lauvergeon", "slug": "1512919-anne-lauvergeon", "companyName": null, "company": null, "webVisibility": false}, {"id": "1529307", "name": "Peter F Chernin", "slug": "1529307-peter-f-chernin", "companyName": "Chernin Group LLC/ The", "company": null, "webVisibility": true}, {"id": "1720518", "name": "Rafael De La Vega "Ralph"", "slug": "1720518-rafael-de-la-vega", "companyName": "Forte Capital Management LLC", "company": {"id": "0778486D:US", "name": "Forte Capital Management LLC/GA"}, "webVisibility": true}, {"id": "1805754", "name": "Michael O Leavitt "Mike"", "slug": "1805754-michael-o-leavitt", "companyName": "Leavitt Partners", "company": {"id": "0707795D:US", "name": "Leavitt Partners LLC"}, "webVisibility": true}, {"id": "1879736", "name": "Christopher D Young "Chris"", "slug": "1879736-christopher-d-young", "companyName": "Mcafee Inc", "company": null, "webVisibility": true}, {"id": "14003646", "name": "Charlene Barshefsky", "slug": "14003646-charlene-barshefsky", "companyName": "Wilmer Cutler Pickering Hale and Dorr LLP", "company": {"id": "1221L:US", "name": "Wilmer Cutler Pickering Hale and Dorr LLP"}, "webVisibility": true}, {"id": "17579429", "name": "Karen L Parkhill", "slug": "17579429-karen-l-parkhill", "companyName": "Medtronic PLC", "company": {"id": "MDT:US", "name": "Medtronic PLC"}, "webVisibility": true}, {"id": "21421355", "name": "Lynn A Pike", "slug": "21421355-lynn-a-pike", "companyName": null, "company": null, "webVisibility": false}], "totalBoardMembers": 13, "executives": [{"id": "7394026", "name": "Stephen Joseph Squeri", "thumbnail": {"url": "https://assets.bwbx.io/images/users/iqjWHBFdfxIU/iNnVt_wW9y_A/v3/80x80.jpg", "alt": null}, "title": "Chairman/CEO", "slug": "7394026-stephen-joseph-squeri", "webVisibility": true}, {"id": "20887787", "name": "Dr Mohammed Badi", "thumbnail": null, "title": "Chief Strategy Officer", "slug": "20887787-mohammed-badi", "webVisibility": true}, {"id": "18706279", "name": "Monique R Herena", "thumbnail": null, "title": "Chief Colleague Experience Officer", "slug": "18706279-monique-r-herena", "webVisibility": true}, {"id": "19676689", "name": "Elizabeth Rutledge", "thumbnail": {"url": "https://assets.bwbx.io/images/users/iqjWHBFdfxIU/iABmk_sWUnY4/v3/80x80.png", "alt": null}, "title": "Chief Marketing Officer", "slug": "19676689-elizabeth-rutledge", "webVisibility": true}, {"id": "18784925", "name": "Tangela Richter", "thumbnail": {"url": "https://assets.bwbx.io/images/users/iqjWHBFdfxIU/iKYkW0FlMRW4/v3/80x80.png", "alt": null}, "title": "Chief Governance Ofcr/Secy", "slug": "18784925-tangela-richter", "webVisibility": true}, {"id": "15024090", "name": "Laureen E Seeger", "thumbnail": {"url": "https://assets.bwbx.io/images/users/iqjWHBFdfxIU/iiw0z.pdTRbE/v1/80x80.jpg", "alt": "LAUREEN E SEEGER"}, "title": "Chief Legal Officer", "slug": "15024090-laureen-e-seeger", "webVisibility": true}, {"id": "21336581", "name": "Jennifer Skyler", "thumbnail": null, "title": "Chief Corporate Affairs Officer", "slug": "21336581-jennifer-skyler", "webVisibility": true}, {"id": "19676686", "name": "Raymond Joabar", "thumbnail": null, "title": "Pres:Global Risk/CRO", "slug": "19676686-raymond-joabar", "webVisibility": true}, {"id": "15365626", "name": "Douglas E Buckminster", "thumbnail": null, "title": "Group Pres:Global Consumer", "slug": "15365626-douglas-e-buckminster", "webVisibility": true}, {"id": "16654781", "name": "Anna Marrs", "thumbnail": {"url": "https://assets.bwbx.io/images/users/iqjWHBFdfxIU/iNFzMiuYiRGY/v3/80x80.png", "alt": null}, "title": "Pres:Global Commercial Svcs", "slug": "16654781-anna-marrs", "webVisibility": true}, {"id": "16804630", "name": "Denise Pickett", "thumbnail": {"url": "https://assets.bwbx.io/images/users/iqjWHBFdfxIU/iReOY_ZB0dOI/v2/80x80.png", "alt": null}, "title": "Pres:Global Services Group", "slug": "16804630-denise-pickett", "webVisibility": true}, {"id": "6832356", "name": "Anre D Williams", "thumbnail": {"url": "https://assets.bwbx.io/images/users/iqjWHBFdfxIU/iJ5kSc7LL.3Y/v2/80x80.png", "alt": null}, "title": "Pres:Global Merchant & Network Svcs", "slug": "6832356-anre-d-williams", "webVisibility": true}, {"id": "3221610", "name": "Jeffrey C Campbell "Jeff"", "thumbnail": {"url": "https://assets.bwbx.io/images/users/iqjWHBFdfxIU/iV0fAS1rb10o/v1/80x80.jpg", "alt": "35000014"}, "title": "Exec VP/CFO", "slug": "3221610-jeffrey-c-campbell", "webVisibility": true}, {"id": "16733751", "name": "Marc D Gordon", "thumbnail": {"url": "https://assets.bwbx.io/images/users/iqjWHBFdfxIU/isa0AVbtpBaM/v3/80x80.jpg", "alt": null}, "title": "Exec VP/CIO", "slug": "16733751-marc-d-gordon", "webVisibility": true}, {"id": "21531045", "name": "Jessica Lieberman Quinn", "thumbnail": null, "title": "Exec VP/Controller", "slug": "21531045-jessica-lieberman-quinn", "webVisibility": true}, {"id": "19863566", "name": "Alan P Gallo", "thumbnail": {"url": "https://assets.bwbx.io/images/users/iqjWHBFdfxIU/i_G02QWHFys4/v3/80x80.jpg", "alt": null}, "title": "Exec VP:Internal Audit/Chief Audit Exec", "slug": "19863566-alan-p-gallo", "webVisibility": true}, {"id": "16310906", "name": "Vivian Zhou", "thumbnail": null, "title": "Senior VP/Head:Investor Relations", "slug": "16310906-vivian-zhou", "webVisibility": false}], "totalExecutives": 17}

Re: JSON object not showing values.. Can someone help

Richard MacCutchan7-Jun-20 0:50

Richard MacCutchan

7-Jun-20 0:50

I took another look at this and your JSON text has some badly formatted data round about character 278.

Pyramid array

Girardi.E30-May-20 0:48

Girardi.E

30-May-20 0:48

Hello everyone,

I'm new to Javascript and I'm trying to write a function that returns a pyramid shape inside an array. The problem is that I can't get it to display each element of the array on a different line.

Here is my code:

function pyramid(height){
var myPyramid = [];
var block ='#';
var space =' ';

for(let i = 0; i < height; i++){

myPyramid.push((space.repeat(height - i) + block.repeat((i * 2) + 1)));

}

return myPyramid;
}

let newPyramid = console.log(pyramid(5));

Any help will be much appreciated.

Re: Pyramid array

Richard MacCutchan30-May-20 1:15

Richard MacCutchan

30-May-20 1:15

You have a one dimensional array so it will print the entire array on a single line. You will need to create a 2D array, that is an array of arrays. Each inner array will contain the values for each line to be printed. Your print part will then need to be something like:

JavaScript

let newPyramid = pyramid(5);
for (i = 0; i < newPyramid.length; i++) {
  console.log(newPyramid[i]);
}

Re: Pyramid array

DerekT-P30-May-20 2:30

DerekT-P

30-May-20 2:30

As Richard says, you have a 1-dimensional array; but you're populating it with a string representation, and that's all fine.
console.log will display the contents in a single line, that's just how it works. But there's a "downarrow" link next to that single line; click it and the console will show each element on a separate line, illustrating the pyramid shape as you want it.

If you want the pyramid shown directly in the log without further user intervention, as Richard points out you'll need to use a loop to log each element separately (exactly as Richard has written it).

identify each node with its Id

vikas@prajaktasoftware.com19-May-20 8:57

vikas@prajaktasoftware.com

19-May-20 8:57

Dear Sir

Pls refer
https://codepen.io/prajaktasoftware/pen/PoPxmyx[^]

i want to identify each node with its Id

in other words

how can i add attribute "id" to each node ?

please help

modified 19-May-20 23:33pm.

Re: identify each node with its Id

ZurdoDev19-May-20 9:39

ZurdoDev

19-May-20 9:39

I do not understand what you are asking. Please be more clear and concise and provide an example of what you mean.

Social Media - A platform that makes it easier for the crazies to find each other.

Everyone is born right handed. Only the strongest overcome it.
Fight for left-handed rights and hand equality.

Return negative number as 0

and180y18-May-20 1:46

and180y

18-May-20 1:46

Hi, first time posting so hopefully doing it correctly. I have used a form builder to build my forms but have run into a couple of issues with functionality. In the code/calculation below I need to be able to return the answer 0 if the answer is less than 0. I've searched loads to no avail so any help would be much appreciated. T.I.A.

$('form#Commission #Commission_On').formCalc(" Nett_Earnings -Actual_Takings >0==0",{ currency_format:true, mirror:'sfm_Commission_On_parsed'});

Re: Return negative number as 0

Richard MacCutchan18-May-20 2:05

Richard MacCutchan

18-May-20 2:05

You still have the same problem that the expression Nett_Earnings -Actual_Takings >0==0 does not make a lot of sense. The > operator means greater than, and == means equals. You need to capture the value of Nett_Earnings -Actual_Takings and then set it to zero if it is negative (assuming I understand the question).

Re: Return negative number as 0

and180y18-May-20 2:27

and180y

18-May-20 2:27

Thanks for replying. I'm struggling to get to the point of showing 0.

Is this more like what I should have Nett_Earnings-Actual_Takings=Value<0=0
Does the script generate Value?

Re: Return negative number as 0

Richard MacCutchan18-May-20 2:40

Richard MacCutchan

18-May-20 2:40

No, that is still not a valid expression. I think you need to do one or both of two things:
1. Learn Javascript, expecially with regard to expressions and operators.
2. Find out exactly how this package that you are trying to use actually works. It may well be that it uses different syntax from Javascript so anything mentioned here may not be valid.

Re: Return negative number as 0

Richard Deeming18-May-20 5:43

Richard Deeming

18-May-20 5:43

Looking at the documentation, you need to modify your calculation to use either an if_else expression:

JavaScript

$('form#Commission #Commission_On').formCalc("if_else(Nett_Earnings > Actual_Takings, Nett_Earnings - Actual_Takings, 0)", { currency_format:true, mirror:'sfm_Commission_On_parsed' });

or the max function:

JavaScript

$('form#Commission #Commission_On').formCalc("max(Nett_Earnings - Actual_Takings, 0)", { currency_format:true, mirror:'sfm_Commission_On_parsed' });

Calculation field : function reference| Simfatic Forms 5.0 Help[^]

"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer

Re: Return negative number as 0

and180y18-May-20 13:10

and180y

18-May-20 13:10

Thanks Richard, top code worked perfectly. Smile | :)

generate a mongo bson objectId in angular V7+

jkirkerx17-May-20 12:51

jkirkerx

17-May-20 12:51

I really need to create a objectId on the client side, but have been avoiding it because I can't figure out how.
So I added the npm bson-objectid, but can't figure out how to make it work.

I put this in my app.module

export function bsonFactory() {
  const ObjectID = require("bson-objectid");
  return ObjectID();  
}

but it produces this on console.log
BsonFactory= function bsonFactory() {
var ObjectID = webpack_require(/*! bson-objectid */ "./node_modules/bson-objectid/objectid.js");
return ObjectID();
}

If it ain't broke don't fix it
Discover my world at jkirkerx.com

How to format the file containing json objects to json array

kjeeva15-May-20 21:53

kjeeva

15-May-20 21:53

I am writing a javascript to format JSON objects to array of JSON objects.
My input is,
{
Name:"nom1",
Cities:['city1','city2']
}
{
Name:"nom2",
Cities:['city4','city5']
}

And I want the output as,

var data = [ { Name:"nom1", Cities:['city1','city2'] }, { Name:"nom2", Cities:['city3','city4'] } ]};

Re: How to format the file containing json objects to json array

Richard MacCutchan15-May-20 22:31

Richard MacCutchan

15-May-20 22:31

Try this

JavaScript

<script>
var nom1 = { Name:"nom1", Cities:['city1','city2'] };
var nom2 = { Name:"nom2", Cities:['city4','city5'] };
var snom1 = JSON.stringify(nom1);
var snom2 = JSON.stringify(nom2);
var array = [ snom1, snom2 ];
document.getElementById("demo").innerHTML = array;
</script>

Matrix creation using array

Member 1483368915-May-20 10:51

Member 14833689

15-May-20 10:51

Hi I want to create a matrix 'B' like given below while I only have an array 'A'

A=[0 1 2 3 4]

B= [0 1 2 3 4
1 2 3 4 5
2 3 4 5 6
3 4 5 6 7
4 5 6 7 8]
For some reason, these few lines are not working

for (var i=0;i<5;i=i+1){
            for (var j=0;j<5;j=j+1){
            B[i][j] = A[j]+i;
        }
        }

Any help or suggestion will be appreciated.
Thanks

Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages.