How to dynamically remove js in jquery

JQuery is a widely used JavaScript library that provides us with many useful functions. One of them is dynamically adding and removing JavaScript files. In some cases, you may want to add some JavaScript to your website, but only want it to be available on specific pages. When you add this JavaScript file to every page, you may find that it affects the performance of some pages. In this case, dynamically adding and removing JavaScript files is very useful because it allows you to add or remove files as needed.

Dynamicly removing JavaScript files in JQuery is easy. You just need to use the remove() function to remove it from the DOM. Here are the steps on how to dynamically remove JavaScript files using JQuery:

Step 1: Create an ID for the file you want to remove

First, you need to create an ID for the JavaScript file you want to remove Create an ID. This allows you to easily find and delete the file using JQuery. You can set the ID to the name of the file or anything you like. For example, if you want to remove a file named "file.js", you can set its ID to "file_script":

<script src="file.js" id="file_script"></script>

Step 2: Use JQuery to find and delete files

Next, use JQuery to find and delete the file. You can use the ID selector to find the file and delete it. In this example, we use the #file_script selector to find the file.js file and remove it from the DOM:

$("#file_script").remove();

Step 3: Verify that the file has been Delete

Finally, you can verify that the file was successfully deleted. You can use JQuery's length property to check if the file exists. If the file was successfully deleted, the length property should return 0:

if ($("#file_script").length === 0) {
  console.log("File has been removed");
}

Summary

JQuery is a very useful JavaScript library that provides developers with many features, including dynamic addition and Remove JavaScript files. Dynamically removing JavaScript files is very useful when you need to use JavaScript files on a specific page to avoid affecting the performance of the entire website. Using JQuery to dynamically remove JavaScript files is very simple, just use the remove() function to delete it from the DOM. Finally, you can verify that the file was successfully deleted.

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