What is the use of eval function in js

The eval() function is used to calculate a JavaScript string and execute it as script code. If the argument is an expression, the eval() function will execute the expression. If the argument is a Javascript statement, eval() will execute the Javascript statement.

Syntax

eval(string)

Parameters:

● string: required. A string to evaluate that contains a JavaScript expression to evaluate or a statement to execute.

Description: All major browsers support the eval() function

Example:

<script>
eval("x=10;y=20;console.log(x*y)");
console.log(eval("2+2"));
console.log(eval("x+17"));
</script>

Output:

200
4
27

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