第二种,表达式为string Using String Syntax 例子中将ng-class 绑定到了input的输入值上。实际上可以通过修改$scope.style的值设置ng-class。 这种方式的优点就是简单、粗暴。缺点是class多了,写起来挺麻烦的 第三种,表达式为array Using Array Syntax ...
探索Angular 源码,了解 NgClass 和 NgStyle 背后的故事 使用示例帮助理解如何使用 NgClass 和 NgStyle 概览 NgClass 和 NgStyle 都是 Angular 的指令,依赖于其功能,我们可以根据条件将一个或多个 css class/styles 应用在一个元素上。通过这种方式,同一时间根据需求操纵多个 class 或 styles 将会非常方便快捷;让...
<some-element [ngClass]="{'class1 class2 class3' : true}">...</some-element> 另见https://angular.io/docs/ts/latest/guide/template-syntax.html <!-- toggle the "special" class on/off with a property --> The class binding is special <!-- binding to `class.special` trumps the c...
下一种适合需要添加多个类的时候,也就是ng-class的值为一个对象 <png-class="{strike: deleted, bold: important, red: error}">Map Syntax Example deleted (apply "strike" class) important (apply "bold" class) error (apply "red" class) 上面代码ng-class就是一个对象,我们把deleted,importan...
{'orange': warning}]">Using Array and Map Syntaxwarning (apply "orange" class) script.js angular.module('bindExample', []) .controller('ExampleController', ['$scope', function($scope) { $scope.deleted = false; $scope.important = false; $scope.error = false; $scope.style = "";...
Add multiple Classes using ngClass Pass a method to ngClass Add a Class based upon the condition To add a single conditional class we can use the above syntax We can directly passtrueorfalseto add a class. As the keysingleClassvalue istrueclass will be added...
Syntax<element ng-class-odd="expression"></element> Supported by all HTML elements.Parameter ValuesValueDescription expression An expression that returns one or more class names.❮ AngularJS Reference Track your progress - it's free! Log in Sign Up ...
定义和用法 ng-blur 指令用于告诉AngularJS HTML 元素在失去焦点时须执行的表达式。
Looking at the above code, we can now see that the[class]syntax that used earlier is actually part of the ngClass directive, via@Input('class'). Also notice that the ngClass directive gives us no less than four options for setting dynamic classes!
另请参阅https://angular.io/docs/ts/latest/guide/template-syntax.html <!-- toggle the "special" class on/off with a property --> The class binding is special <!-- binding to `class.special` trumps the class attribute --> This one is not so special <!-- reset/override all class...