You can use find-and-replace library for variables, like custom-string-formatter.

I was wondering if this same thing is possible in JavaScript as well. Using variables inside strings without using concatenation — it looks more concise and elegant to write.

How to use a variable for a key in a JavaScript object literal? Asked 15 years, 10 months ago Modified 3 years ago Viewed 325k times

Apr 10, 2016 · Secondly, global variables take longer for Javascript to "find" than local variables. The difference in speed isn't huge, but it does exist. For further reading and a more in-depth …

Is there a way to access a css variable from javascript? Here my css variable declaration.

Jul 14, 2010 · Is it possible to use a variable in a file called first.js inside another file called second.js? first.js contains a variable called colorcodes.

Is there a way to access the same variable in JavaScript, <script></script> (perhaps using the DOM; I don't know how Django makes the variables accessible)? I want to be able to look up …

May 5, 2015 · Learn how to use JavaScript variables in HTML effectively with this detailed discussion on Stack Overflow.

Apr 13, 2012 · When variables get defined without the use of var keyword, what it looks like is a simple “assignment” operation. When the value is assigned to a variable in javascript, the …

Strings are immutable in JavaScript as well. The plus (concatenation) operator makes a new string from pieces of an old one.