Javascript - Global eval() Function

The eval() function evaluates or executes an argument.

  1. HOME
  2. Javascript
  3. Reference
  4. Global

Description

The eval() function evaluates or executes an argument.

Syntax 

eval(string)

Parameter Values

Parameter Require Description
stringRequired A JavaScript expression, variable, statement, or sequence of statements

Example

Evaluate/Execute JavaScript code/expressions:

Demo

var x = 10;
var y = 20;/* w ww  . j av  a  2 s  .c  om*/
var a = eval("x * y") + "\n";
var b = eval("2 + 2") + "\n";
var c = eval("x + 17") + "\n";

var res = a + b + c;
console.log(res);

Result