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For example, having:
<script type="text/javascript"
src="http://somedomain.com/js/somejs.js?14">
</script>
So what does "?14" means here?
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There is no official, universal, convention for naming JavaScript files. There are some various options: scriptName. js. script-name.
JavaScript files have the file extension .js.
To rename a file we have to create a new file and pass our new name to the File constructor. const myRenamedFile = new File([myFile], 'my-file-final-1-really. txt'); console. log(myRenamedFile); // Browser logs: File {name: "my-file-final-1-really.
What is a JS file? JS (JavaScript) are files that contain JavaScript code for execution on web pages. JavaScript files are stored with the . js extension. Inside the HTML document, you can either embed the JavaScript code using the <script></script> tags or include a JS file.
Its a url param like any other parameter passed in a url. Sometimes JS scripts are created on the fly using server side technologies other times it is simply a version number to help with browser caching issues.
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They are there to fool browsers into thinking that it is a new file.
This is a trick to avoid browser-cached copy when you update the JS file.
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