How to use eval in JavaScript

Posted in JavaScript | JavaScript Objects on August 05, 2019

This article describe about eval() Function in JavaScript.

eval() Function in JavaScript

It is used to evaluates or executes an arguments.

Note: eval() also evaluates the expression if the expression is define in the argument, and argument may be one or more JavaScript statement.

Syntax

eval(string)

Parameter	Descripton
string	Expression variable, or number of statement of JavaScript.

Example

<!DOCTYPE html>

<html>

<body>

eval("a=15;b=25;document.write(a*b)");

document.write("<br />" + eval("5+5"));

document.write("<br />" + eval(a + 250));

</script>

</body>

</html>

Output

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