Complex Webpages use JavaScript and jQuery

This post will explain exactly how to use JavaScript and jQuery to put content from objects into the structure of a template.

JavaScript objects and HTML templates allow you to separate content from structure. This technique will allow you to make powerful and complex webpages. You put these two things together using JavaScript and jQuery.

The first step is to use jQuery to get the text of the template out of the DOM.

var source = $(“#image-template”).html();


Next, you have to compile the template. You call the Handlebars.compile function and pass in the source text you got from the template, and the result is a variable called template. The variable template is a JavaScript function that turns objects into HTML.

var template = Handlebars.compile(source);


Now you will want to call the template function, pass in your data, and assign that to some HTML.

var html = template(data);


Finally, the last step is to use jQuery to copy the HTML back into your DOM element.



This above sequence of steps is what you need to do to turn your template text and content object into HTML code.

Take a look at a more complete example of how this works. First, look at all the and stylesheets you will need to bring in.

Importing Stylesheets

Inside the <body> tags you will see an empty <div>. You will soon push content inside this empty <div>. Below that is the actual template.

The HTML Template

Then at the end you will see the JavaScript. This goes through the sequence of steps that was shown at the beginning of this post.

Sequence of Steps

The last thing not pictured is the closing </script> tag. Do not forget that.

Pictured below is what the HTML page should look like. It is very simple, but the process learned in this post will allow you to make more complex webpages.

Rendered HTML


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