[英]Why $scope.variable in ChildController is not resolving to the $scope.variable in ParentController
[英]Grab $(this) element's html and insert into $scope.variable
我試圖用.html()
抓取buttons
html 並插入$scope.player
。 該按鈕正在使用ng-click
調用choosePlayer()
函數,但它不起作用。
這是 codepen 鏈接: http ://codepen.io/theMugician/pen/ojJrRp
HTML
<body ng-app="ticTacToe" ng-controller="MainCtrl">
<div class="container">
<div class="row">
<div class="col-xs-12 text-center">
<h1>TIC TAC TOE</h1>
</div>
</div>
</div>
<div id="wrapper" class="container text-center">
<div class="row">
<div ng-click="move(cell)" ng-repeat="cell in cells" class="col-xs-4 square text-center">
{{cell.value}}
</div>
</div>
</div>
<div class="container">
<div class="row text-center">
<h1>CHOOSE A SHAPE</h1>
<button ng-click="choosePlayer()" class="btn btn-red" id="choose-cross">✖</button>
<button ng-click="choosePlayer()" class="btn btn-green" id="choose-circle">◯</button>
</div>
</div>
</body>
爪哇腳本
var app = angular.module("ticTacToe", []);
app.controller("MainCtrl", function($scope){
var cell = $(".square");
$scope.player = "";
var cross = "×";
var circle = "◯";
$scope.choosePlayer = function(){
$scope.player = $(this).html();
}
$scope.cells = [ { value: '' }, { value: '' }, { value: '' },
{ value: '' }, { value: '' }, { value: '' } ,
{ value: '' }, { value: '' }, { value: '' }
];
$scope.move = function(cell){
cell.value = $scope.player;
};
});
您可以在ng-click()
指令中傳遞$event
對象:
<button ng-click="choosePlayer($event)" class="btn btn-red" id="choose-cross">✖</button>
<button ng-click="choosePlayer($event)" class="btn btn-green" id="choose-circle">◯</button>
然后訪問event.currentTarget
以獲取控制器中的元素:
沒有 jQuery:
$scope.choosePlayer = function(e) {
$scope.player = e.currentTarget.innerText;
}
使用 jQuery:
$scope.choosePlayer = function(e) {
$scope.player = $(e.currentTarget).text();
}
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