String Interpolation in javascript || asked in interviews

String interpolation in JavaScript refers to the process of embedding expressions or variables within a string, making it easier to construct dynamic strings. It allows you to include variables, calculations, or function results directly inside a string literal, rather than concatenating separate strings and values together.

Before the introduction of template literals, string interpolation was often achieved using string concatenation or the + operator. However, this approach can be cumbersome and less readable, especially when dealing with complex strings or multiple variables.

With template literals, which are denoted by backticks ( ) instead of single or double quotes, you can directly include variables or expressions inside the string using ${} syntax.
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