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How to dynamically include code on a webpage?

Posted on 2014-09-11
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Last Modified: 2014-09-22
I'm trying to figure out if this is even possible and if it is how? I want to dynamically add JS code to a page onload. The object is already created and I want to update the object in the updated code.
primary file contains:
var aa = {};    
aa.test ='orig';
var key = '111';
var stbi = document.createElement('script');
		 switch(key) {
		 case '111': 
		 	  stbi.src = "one.js";
			  break;
		  case '222':
		  	  stbi.src = "two.js";
			  break;
		  default:
		  	stbi.src = "three.js";
		  }

		  stbi.onload = function() {
		  document.head.appendChild(this);
		  }

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and the test JS file (one.js) to be dynamically included contains:
aa.test = 'script one';
console.log('---->'+aa.test);

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how would I accomplish this?
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Question by:894359
  • 4
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7 Comments
 
LVL 83

Expert Comment

by:leakim971
ID: 40317905
A quick one :
var script  = document.createElement("script");
script.src = "/path/to/one.js"; // path to your file
document.head.appendChild(script);

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the same with jQuery :
$.getScript("/path/to/one.js");

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0
 

Author Comment

by:894359
ID: 40317944
Hi Leakim... how is that different than what I did?
0
 
LVL 83

Expert Comment

by:leakim971
ID: 40317949
aha sorry, It's the same, what is the issue with yur code?
0
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Author Comment

by:894359
ID: 40318130
Not getting the included js file to work?
0
 
LVL 83

Expert Comment

by:leakim971
ID: 40318221
you need to specify their path relatively to the page
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Author Comment

by:894359
ID: 40318346
I did. the js file is in the same directory.
0
 
LVL 83

Accepted Solution

by:
leakim971 earned 2000 total points
ID: 40318382
you need to have the script tag too

<script>
aa.test = 'script one';
console.log('---->'+aa.test);
</script>
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