<body ng-app="ngApp"> <div ng-controller="ngCtl"> <label ng-model="myLabel"></label> <input type="text" ng-model="myInput" /> <button ng-model="myButton" ng-click="btnClicked"></button> </div> </body>
// angular app
var app = angular.module("ngApp", [], function(){
console.log("ng-app : ngApp");
});
// angular controller
app.controller("ngCtl", [ '$scope', function($scope){
console.log("ng-controller : ngCtl");
$scope.myLabel = "text for label";
$scope.myInput = "text for input";
$scope.btnClicked = function() {
console.log("Label is " + $scope.myLabel);
}
}]);
var app = angular.module("test", []);
app.directive("myclick", function() {
return function (scope, element, attr) {
element.on("click", function() {
scope.counter++;
});
};
});
app.controller("CounterCtrl", function($scope) {
$scope.counter = 0;
});
<body ng-app="test">
<div ng-controller="CounterCtrl">
<button myclick>increase</button>
<span ng-bind="counter"></span>
</div>
</body>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>two-way binding</title>
</head>
<body onload="init()">
<button ng-click="inc">
increase 1
</button>
<button ng-click="inc2">
increase 2
</button>
<span style="color:red" ng-bind="counter"></span>
<span style="color:blue" ng-bind="counter"></span>
<span style="color:green" ng-bind="counter"></span>
<script type="text/javascript">
/* 数据模型区开始 */
var counter = 0;
function inc() {
counter++;
}
function inc2() {
counter+=2;
}
/* 数据模型区结束 */
/* 绑定关系区开始 */
function init() {
bind();
}
function bind() {
var list = document.querySelectorAll("[ng-click]");
for (var i=0; i<list.length; i++) {
list[i].onclick = (function(index) {
return function() {
window[list[index].getAttribute("ng-click")]();
apply();
};
})(i);
}
}
function apply() {
var list = document.querySelectorAll("[ng-bind='counter']");
for (var i=0; i<list.length; i++) {
list[i].innerHTML = counter;
}
}
/* 绑定关系区结束 */
</script>
</body>
</html>
var app = angular.module("test", []);
app.directive("myclick", function() {
return function (scope, element, attr) {
element.on("click", function() {
scope.counter++;
scope.$apply(function() {
scope.counter++;
});
});
};
});
app.controller("CounterCtrl", function($scope) {
$scope.counter = 0;
});
var app = angular.module("test", []);
app.directive("increasea", function() {
return function (scope, element, attr) {
element.on("click", function() {
scope.a++;
scope.$digest();
});
};
});
app.directive("increaseb", function() {
return function (scope, element, attr) {
element.on("click", function() {
scope.b++;
scope.$digest(); //这个换成$apply即可
});
};
});
app.controller("OuterCtrl", ["$scope", function($scope) {
$scope.a = 1;
$scope.$watch("a", function(newVal) {
console.log("a:" + newVal);
});
$scope.$on("test", function(evt) {
$scope.a++;
});
}]);
app.controller("InnerCtrl", ["$scope", function($scope) {
$scope.b = 2;
$scope.$watch("b", function(newVal) {
console.log("b:" + newVal);
$scope.$emit("test", newVal);
});
}]);
<div ng-app="test">
<div ng-controller="OuterCtrl">
<div ng-controller="InnerCtrl">
<button increaseb>increase b</button>
<span ng-bind="b"></span>
</div>
<button increasea>increase a</button>
<span ng-bind="a"></span>
</div>
</div>
function TestCtrl($scope) {
$scope.numOfCheckedItems = 0;
var list = [];
for (var i=0; i<10000; i++) {
list.push({
index: i,
checked: false
});
}
$scope.list = list;
$scope.toggleChecked = function(flag) {
for (var i=0; i<list.length; i++) {
list[i].checked = flag;
$scope.numOfCheckedItems++;
}
};
}
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