Here you can find the source of startsWith(str)
'use strict';/*from w w w. j a v a 2 s .com*/ app.filter('urlFilter', function () { return function (link) { var result; var startUrl = "http://"; if (link.startsWith("www")) { result = startUrl + link; } else if(link.startsWith("http")) { result = link; } else { result = startUrl + "www." + link; } return result; }; }); String.prototype.startsWith = function (str) { return this.indexOf(str) == 0; }
String.prototype.startsWith = function(str){ return this.slice(0, str.length) == str
String.prototype.startsWith = function(str) { if (typeof str !== 'string') return false; return this.indexOf(str) === 0; };
String.prototype.startsWith = function (str) { "use strict"; return (this.match("^" + str) == str); };
String.prototype.startsWith = function(str) {return (this.match("^"+str)==str)} String.prototype.endsWith = function(str) {return (this.match(str+"$")==str)} var myStr = "Earth is a beautiful planet"; if (myStr.startsWith("Earth")) { console.log("TRUE"); else { ...
String.prototype.startsWith = function(str) { return this.indexOf(str) == 0; };
String.prototype.startsWith=function(str){ if(str==null||str==""||this.length==0||str.length>this.length) return false; if(this.substr(0,str.length)==str) return true; else return false; return true; }; ...
String.prototype.startsWith = function(str) { return this.indexOf(str) == 0; };
String.prototype.startsWith = function(str) { return (this.match('^'+str)==str)
String.prototype.startsWith = function(str) { var len = str.length; if (len > this.length) { return false; } return this.substring(0, len) === str; };