how to execute javasrcipt code without writing script tag

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Hi,just want to know is the mandatory to write script tag to execute javascript code ,if it is mandoatory then how to execute javacript code without script tag

example

<script > alert() </script>

this will be executed

but if i write

//<script >  
alert()
//</script >

this will not execute

is there anything alternative to script tag to excuted javascript code

Posted 26-Jul-14 3:45am

aassaahh

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Wombaticus 26-Jul-14 10:04am

Why? What are you hoping to achieve?

For inline code, yes, it s mandatory. Javascript calls can be made within event handlers though without it - eg: <input type="button" onclick="alert('hi')" />

Sergey Alexandrovich Kryukov 26-Jul-14 16:28pm

Why?!
—SA

Sandeep Singh Shekhawat 26-Jul-14 17:36pm

I have deleted my solution !!

3 solutions

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Answer 1 · 2014-07-26T21:49:00

Yes, it is mandatory. You have to write that, otherwise browsers can't understand what exactly you are trying to do.

In simple words, I can say that HTML is a Markup language and that is only thing understood by the browsers. So, everything is represented by tags in a HTML document.

When you try to execute any JavaScript code, you need to wrap it with HTML Script tags. That is the logic.

Xiao Ling · Answer 2 · 2014-07-28T21:47:00

Solution 3

Why don't you write the code in a JavaScript file, and load it in HTML file? For example:
In test.js:

alert('test');

In index.htm:

XML

<!DOCTYPE html>
<html>
    <body>
        <script src="test.js"></script>
    </body>
</html>

Posted 28-Jul-14 21:47pm

Xiao Ling

Updated 28-Jul-14 21:48pm

v2

Sibeesh Venu · Answer 3 · 2014-07-29T19:27:00

Solution 4

If you are doing inline coding, you must include script tag, or else create a js file and write your codes in that, finally just add the reference to that js file in your page.

Posted 29-Jul-14 19:27pm

Sibeesh Venu