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Tag: javascript

How can I beautify JavaScript code using Command Line?

I am writing a batch script in order to beautify JavaScript code. It needs to work on both Windows and Linux. How can I beautify JavaScript code using the command line tools? Answer First, pick your favorite Javascript based Pretty Print/Beautifier. I prefer the one at, because it’s what I found first. Downloads its file Second, download and

How can I remove a child node in HTML using JavaScript?

Is there a function like document.getElementById(“FirstDiv”).clear()? Answer To answer the original question – there are various ways to do this, but the following would be the simplest. If you already have a handle to the child node that you want to remove, i.e. you have a JavaScript variable that holds a reference to it: Obviously, if you are not using

Length of a JavaScript object

I have a JavaScript object. Is there a built-in or accepted best practice way to get the length of this object? Answer Updated answer Here’s an update as of 2016 and widespread deployment of ES5 and beyond. For IE9+ and all other modern ES5+ capable browsers, you can use Object.keys() so the above code just becomes: This doesn’t have to