javascript eval function code example
Example 1: javascript execute string code
var theInstructions = "alert('Hello World'); var x = 100";
var F=new Function (theInstructions);
return(F());
Example 2: what is eval in js
The eval() function evaluates JavaScript code represented as a string.
console.log(eval('2 + 2'));
console.log(eval(new String('2 + 2')));
console.log(eval('2 + 2') === eval('4'));
console.log(eval('2 + 2') === eval(new String('2 + 2')));
Example 3: eval in javascript
eval() -> is able to evalute the things inside it , like eval(a+b+c) , wher a=3,b=4,c=4 , so eval(a+b+c) = 11
Example 4: eval javascript
eval(string)