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AngularJS: API: ng/directive/ngClassEven
ngClassEven
- - directive in module ng
ngClassOdd 和 ngClassEven 指令工作方法类似 ngClass, 只是它们只能配合 ngRepeat 进行工作来改变奇数（偶数）行的效果。
指令只在ngRepeat的域内有效。
指令信息
- 指令执行优先级为0。
用法
- 作为属性使用:
<ANY ng-class-even=""> ... </ANY> - 作为CSS类使用:
<ANY class="ng-class-even: ;"> ... </ANY>
参数
| 参数 | 类型 | 详述 |
|---|---|---|
| ngClassEven | expression | 可求值表达式。表达式返回结果必须为空格分隔的CSS类名字符串或数组。 |
示例
index.html
<ol ng-init="names=['John', 'Mary', 'Cate', 'Suz']">
<li ng-repeat="name in names">
<span ng-class-odd="'odd'" ng-class-even="'even'">
{{name}}
</span>
</li>
</ol>style.css
.odd {
color: red;
}
.even {
color: blue;
}protractor.js
it('should check ng-class-odd and ng-class-even', Function() {
expect(element(by.repeater('name in names').row(0).column('name')).getAttribute('class')).
toMatch(/odd/);
expect(element(by.repeater('name in names').row(1).column('name')).getAttribute('class')).
toMatch(/even/);});