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POHow to dynamically load Javascript files and use them right away?
 

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    <p>I am using JQuery to inject dynamically script tags in the body tab of a webpage. I got something like : </p> <pre><code>function addJS(url) { $("body").append('&lt;script type="text/javascript" src='+url+'&gt;&lt;/script&gt;'); } </code></pre> <p>I add several scripts this way, and try to use them right after. E.G :</p> <p><em>lib.js</em> </p> <pre><code>function core() {...} alert("I'am here !"); </code></pre> <p><em>init.js</em></p> <pre><code>addJS("lib.js"); c = new core(); </code></pre> <p><em>test.html</em></p> <pre><code>&lt;html&gt; &lt;head&gt; &lt;title&gt;test&lt;/title&gt; &lt;script type="text/javascript" src="init.js"&gt;&lt;/script&gt; &lt;/head&gt; &lt;body&gt; Hello &lt;/body&gt; &lt;/html&gt; </code></pre> <p>Loading test.html pops up "I'm here" and then ends up with an error "core is not defined". Of course merging both of the JS files will make them work perfectly.</p> <p>I just don't get it o_O.</p> <p><strong>EDIT</strong></p> <p>I simplified this example, but Jeff answer made me understand that it was a mistake. So here are some details :</p> <p>init.js is not in the head of test.html when it reload because I inject it with a code exectuted on a bookmarklet.</p> <p>So the real execution process is the following :</p> <p>reload test.html > run the bookmarklet > jquery and init.js are inserted > lib.js is inserted</p> <p>Sorry for the confusion.</p> <p><strong>EDIT 2</strong></p> <p>Now I have the solution to my problem (that was quick :-)) but I am still interested to the answer to my question. Why does this go wrong ?</p>
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