Jul 20, 2014 · Consider this code: var age = 3; console.log("I'm " + age + " years old!"); Are there any other ways to insert the value of a variable in to a string, apart from string concatenation?

How to interpolate variables in strings in JavaScript, without concatenation? Asked 15 years, 5 months ago Modified 1 year, 10 months ago Viewed 1.3m times

It is how echmascript (javascript) knows how to inject variables into ${} locations. A single tick would just signify a normal string and would be interpreted as such.

A valid JavaScript identifier shuold must start with a letter, underscore (_), or dollar sign ($); subsequent characters can also be digits (0-9). Because JavaScript is case sensitive, letters include the …

Jul 30, 2015 · The only difference is that the var statement will initialize any declared variables without a value to undefined. In both examples, you are declaring a variable.

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

How do I put variables inside javascript strings? Asked 14 years, 2 months ago Modified 12 months ago Viewed 506k times

Feb 1, 2009 · 243 Javascript uses scope chains to establish the scope for a given function. There is typically one global scope, and each function defined has its own nested scope. Any function defined …

How do I combine 2 javascript variables into a string Asked 14 years, 7 months ago Modified 5 years, 2 months ago Viewed 240k times

Oct 15, 2020 · How can I declare a global variable in JavaScript?If this is the only application where you're going to use this variable, Felix's approach is excellent. However, if you're writing a jQuery …