What is the most effective method for postponing the loading of JavaScript?

Incorporating a bootstrap theme into my project has required me to include several javascript files. The challenge arises when some pages load dynamic content from the server, resulting in the entire HTML not being present when the javascript files are executed.

This causes issues with event handlers not being able to bind to dynamically loaded HTML elements. As a workaround, I have been loading the scripts after the AJAX call completes, but I find this solution to be somewhat makeshift. Here's an example of what I've been doing:

$.get("/path/to/rest/call", function(data) {
    $('#htmlElement').html(data);
}).done(function() {
    $.getScript("/path/to/js/file.js");
});

I believe there must be a more elegant approach to resolve this issue. Any suggestions?

javascriptajaxtwitter-bootstrapevent-handling

Answer №1

If you're looking for a more efficient solution than dynamically loading the metroui library, here's a suggestion. It seems like the library relies on jQuery's .ready() function to determine when the page is fully loaded and ready for initialization. However, this poses a problem when you're loading content via Ajax.

One workaround is to delay the jQuery ready() signal until after your Ajax content has loaded. By doing this, you can prevent metroui from initializing prematurely. You can simply include the following code in the <head> section after jQuery has been loaded:

<script>
    jQuery.holdReady(true);
</script>

Then, once your Ajax request has successfully completed and your content has been added to the page, you can release the hold on jQuery by including the following code in the success handler:

 jQuery.holdReady(false);

By doing this, jQuery will trigger its .ready() handlers only after your content is fully loaded, allowing metroui to function as intended. For more information on jQuery.holdReady(), you can refer to the jQuery documentation.

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