jquery js 實現陣列隨機排序
阿新 • • 發佈：2019-01-10
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>實現陣列隨機排序</title> <script type="text/javascript" src="lib/js/angular/angular.js"></script> <script type="text/javascript"> var app = angular.module("myApp", []); var arr1 = [1, 2, 3, 7, 4, 9, 5, 6]; app.service("sortService", function() { this.arr = [1, 2, 3, 7, 4, 9, 5, 6]; this.t; this.mySort = function() { //改變陣列元素的位置 for(var i = 0; i < this.arr.length; i++) { var rand = parseInt(Math.random() * this.arr.length); this.t = this.arr[rand]; this.arr[rand] = this.arr[i]; this.arr[i] = this.t; } } }) app.controller("myCtrl", function($scope, sortService) { $scope.arr = arr1; $scope.newArr = sortService.arr; $scope.mySort2 = sortService.mySort; /*$scope.mySort2 = function(){ sortService.mySort(); }*/ }) </script> </head> <body ng-app="myApp" ng-controller="myCtrl"> {{newArr}}<br><button ng-click="mySort2()">點選隨機排序</button> <br>{{arr}} <!--{{arr}}<button ng-click="mySort2()">點選隨機排序</button> {{newArr}}--> </body> </html>