Learn how to build and concatenate strings in JavaScript with various methods and examples.

Apr 21, 2018 · In JavaScript, I have a loop that has many iterations, and in each iteration, I am creating a huge string with many += operators. Is there a more efficient way to create a string? I was thinking about creating a dynamic array where I keep adding strings to it and then do a join. Can anyone explain and give an example of the fastest way to do this?

May 7, 2011 · Use the concatenation operator +, and the fact that numeric types will convert automatically into strings: var a = 1; var b = "bob"; var c = b + a;

Mar 7, 2016 · You're talking about template literals, which use backquotes (`), as opposed to conventional quotation marks. They allow for both multiline strings and string interpolation. Multiline strings:

I get that the += operator, when dealing with strings concatenates the two operands and when dealing with numbers they add the values of the operands and reassign to the computed value to first operand.

So I am trying to make a string out of a string and a passed variable (which is a number). How do I do that? I have something like this: function AddBorder (id) { document.getElementById ('horseT...

I have been given the two strings "str1" and "str2" and I need to join them into a single string. The result should be something like this: "String1, String 2". The "str1" and "str2" variables howe...

I have some experience with Java and I know that strings concatenation with "+" operator produces new object. I'd like to know how to do it in JS in the best way, what is the best practice for it?

I updated my question, perhaps it was confusing. This is not what I am trying to achieve. I have a single variable name that will be replaced for every loop. I wanted to grab all of those strings and then combine all of them into one.

Sep 20, 2016 · I'm trying to concatenate strings via for loop but i'm receiving NaNs. What i want to achieve is to get one concatenated string Div #0, Div #1, Div #2, Div #3,.