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set src attribute to a javascript function

Posted on 2014-10-18
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Medium Priority
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Last Modified: 2016-05-09
Hi,

What I am trying to do is build a dynamic url for my src attribute in img element. such as:

 <img id="visionimage" src="javascript:getImageUrl('visionimage','vision.jpg')" alt="vision" /><span>Vision</span>
   
where:
 function getImageUrl(imagetitle)
  {
 
    var siteUrl = getSiteUrl();
    var imageUrl = siteUrl + "/SiteAssets/images/" + imagetitle;
    return imageUrl;
   
  }
 

but this is not working. How to achieve this?

Please help!
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Question by:Techsavy
  • 2
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5 Comments
 
LVL 58

Expert Comment

by:Gary
ID: 40389604
Not going to happen - blocked by the browser
Why don't you just run the js when the page is loaded. Storing the image name in data attribute.
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LVL 83

Accepted Solution

by:
leakim971 earned 2000 total points
ID: 40389608
<img id="visionimage" data-title="visionimage" data-name="vision.jpg" alt="vision" /><span>Vision</span>

Open in new window


$(document).ready(function() {
      var siteUrl = getSiteUrl();
      $("img[data-src]").each(function() {
           var imagetitle = $(this).data("title"); // visionimage
           var name = $(this).data("name"); // vision.jpg
           var imageUrl = siteUrl + "/SiteAssets/images/" + imagetitle;
           $(this).attr("src", imageUrl);
      });
});

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0
 

Author Comment

by:Techsavy
ID: 40389635
Hi leakim

Unfortunately, I can't use data attributes as I am using IE 8 and it has no HTML5 support. I have to rely on native javascript.
0
 
LVL 58

Expert Comment

by:Gary
ID: 40390017
You can still use them, just means your page won't validate.
0
 

Author Comment

by:Techsavy
ID: 40417251
Thank you...I will give that a try.
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