How to add variable in img src with concat

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  <script > var pt = string.concat({{ research.Country_ID}},{{ research.Stock_ID}});
     
              var ptYear =string.concat(pt,YEAR.png);
              var ptQuarter=string.concat(pt,QUARTER.png);
              var pt5Year=string.concat(pt,5YEAR.png);
              var ptMonth=string.concat(pt,MONTH.png);
        
    </script>
    
<body>
    <figure>
     <img src="{% static 'ptYear' %}" alt="For image run1" width="500" height="600" > 
    </figure>
    <figure>
      <img src="{% static 'ptQuarter' %}"  alt="For image run2" width="400" height="600">
    </figure>
    <figure>
     <img src="{% static 'pt5Year' %}" alt="For image run3" width="400" height="600">
    </figure>
</body>

What I have tried:

In above trying to pass variable that keep changing on run time.. tried to concat and pass throgh variable...

Posted 26-Jun-20 2:55am

Member 3564076

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Richard MacCutchan 26-Jun-20 11:52am

Where, what, how?

Member 3564076 26-Jun-20 12:28pm

Hi Richard, In img SRC= trying to create path by variables through concat it. First created those variables and trying to pass in img src=.

Here <img src="{% static %}"> is well tested path of project root and after then trying to add image dir... Can you help me on this.

Richard MacCutchan 26-Jun-20 12:35pm

Sorry, but your comments are not clear. But why are you using static values if you want to make dynamic changes?

Member 3564076 26-Jun-20 13:20pm

static is a dir where all images got created by diff process and it is a subdir after project root dir, now trying to pick those image name from different process by identifying their names and names created by different events ,so it should pick right image dynamically by concating on run time. hope this clear the flow, now issue is how to pass those names in img src=< ??? >.

Richard MacCutchan 27-Jun-20 4:10am

You just need a Javascript function that builds the link addresses and adds theminto the document at the correct position. You can then call that automatically by one of the browser events. See JavaScript Events[^].

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