AngularJs Check String StartsWith

AngularJs Check String StartsWith

AngularJs Check String StartsWith

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"infinityknow World!".startsWith("w2"); // true

var exampl = "infinityknow world";
var prefix = 'orl';
exampl.startsWith(prefix); // false



haystack.lastIndexOf(needle, 0) === 0

    String.prototype.startsWith = function (str) {
        return !this.indexOf(str);

"Hello World!".startsWith("w2"); // true

 var data = "infinityknow world";
 var input = 'w2';
 data.startsWith(input); // true

AngularJs Check String StartsWith steps by step

First of all the Add libs in angularjs.Include libs(Like as a angular.min.js) script and define a simple controller and one init simple module create.Convert a simple number int into a string, AngularJs Check String StartsWith:

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here in this example infinityknow is a module name and init to infinityknowCtrl is a controller name.and simple call a function to angularjs startswithExample function to returns to this function and return this responsemsg.

<title>AngularJs Check String StartsWith</title>
 <a href="http://angular.min.js">http://angular.min.js</a>
var infinityknow = angular.module("infinityknow", []);
 infinityknow.controller("wayCtrl", function($scope) {
 $scope.exampleString = "infinityknow World!";
 $scope.responsemsg = '';
 $scope.startswithExample = function(){
  $scope.responsemsg = $scope.exampleString.startsWith("infinityknow");

<button type="button">Click Me</button>
<p>responsemsg = {{responsemsg}}</p>

Demo Example

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