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AngularJS: API: ng/directive/ngClassOdd

ngClassOdd

  1. - directive in module ng

ngClassOddngClassEven 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-odd="">
    ...
    </ANY>
  • 作为CSS类使用:
    <ANY class="ng-class-odd: ;"> ... </ANY>

参数

参数 类型 详述
ngClassOdd 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/);});

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