This method added files to the page as they encountered in page source code or synchronously.

Here we will learn how to dynamically load an external file in simple steps.

1. For loading .js or .css file dynamically we use DOM methods to first create new “script” or “link” element. Assign it to appropriate attributes and then finally use appendChild() function to include it into head section on document tree.

Example :

2. Now we will create one more function that contains file name and file type. In this function we will call includejscssfiles() by passing file name and file type as its parameters.

3. Call loadfiles function on onload on tag. Thats it.

function parameter “filetype” lets you tell the script what file type to expect before loading. After that, the function sets out to create the element using the appropriate DOM methods, assign it the proper attributes, and finally, add it to the end of the HEAD section.

By referencing the HEAD element of the page first and then calling appendChild(), this means the newly created element is added to the very end of the HEAD tag.

Hope this tutorial will help you.

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