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How can I load an external JavaScript file using a bookmarklet? This would overcome the URL length limitations of IE and generally keep things cleaner.
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To include an external JavaScript file, we can use the script tag with the attribute src . You've already used the src attribute when using images. The value for the src attribute should be the path to your JavaScript file. This script tag should be included between the <head> tags in your HTML document.
We can create external JavaScript file and embed it in many html page. It provides code re usability because single JavaScript file can be used in several html pages. An external JavaScript file must be saved by . js extension.
The JavaScript file will be saved with a . The file can be saved anywhere in the Web Project directory. It is common practice to put JavaScript files in a folder named "javascript" or "src" when building web and mobile applications.
The use of external JavaScript is more practical when the same code is to be used in many different web pages. Using an external script is easy , just put the name of the script file(our . js file) in the src (source) attribute of <script> tag.
Content security policy will prevent this from working in many sites now. For example, the code below won't work on Facebook.
Use a bookmarklet that creates a script tag which includes your external JS.
As a sample:
javascript:(function(){document.body.appendChild(document.createElement('script')).src='** your external file URL here **';})(); If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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