Javascript does not have variable variables (such as $$varname in php) so this really is the only answer. Using window[varname] has the side-effect of introducing global variables, which might not be wanted.

First argument is the string that wanted to be parameterized. You should put your variables in this string like this format "%s1, %s2, ... %s12". Other arguments are the parameters respectively for that string.

JavaScript variables can hold numbers like 100 and text values like "John Doe". In programming, text values are called text strings. JavaScript can handle many types of data, but for now, just think of numbers and strings.

Nov 12, 2024 · To create a string with variables in JavaScript, you can use several methods, including string concatenation, template literals, and the String methods. Here are the common approaches: 1. Template Literals (Recommended) Template literals are the modern and most preferred way to create strings with variables.

Get a string from any valid Javascript (variable, class): const nameOf = (f) => (f).toString().replace(/[ |\(\)=>]/g,''); Examples:

The String() method converts a value to a string. The String () method returns the same as the toString () method for any value. Required. A JavaScript value. A string. The value converted to a string. String() is an ECMAScript1 (JavaScript 1997) feature. It is supported in all browsers: Convert different values to strings:

Sep 27, 2024 · How to Create a String with Variables in JavaScript? To create a string with variables in JavaScript, you can use several methods, including string concatenation, template literals, and the String methods.

Learn how to declare string variables in JavaScript with this comprehensive guide. Understand different methods and best practices for string manipulation.

Apr 7, 2025 · How to declare a string in JavaScript. Declaring a string in JavaScript means defining a variable that will hold a string value. To declare a string variable in JavaScript, you use one of the following keywords: var, let, or const. Here's a …

Feb 2, 2024 · This article will introduce how to insert variable(s) into a string in JavaScript. Use Template Literals to Insert Variable Into String in JavaScript The concept of template literals has been around for a while in JavaScript.