amirasaran/Java Script replace all in string (str_replace)

## Java Script replace all in string (str_replace)
String.prototype.replaceAll = function(search, replacement) {
        var target = this;
        return target.replace(new RegExp(search, 'g'), replacement);
    };


/**
* Example
*/

var string = "Hello world! Hello my friends";
string = string.replaceAll('Hello', 'Hi');
console.log(string); //out put is "Hi world! Hi my friends"