动画延迟ng-repeat

问题描述

我有ng-repeat并在CSS中延迟的这段代码：

I have this code with ng-repeat and delay in css:

<div class="card moveUp" ng-repeat="x in optionsCards" style="animation: moveUp 0.50s ease forwards;">

    <span class="fec">Updated Aug 29, 2016</span>

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</div>

我需要增加ng-repeat的每一项中的延迟值。例如：

I need that the delay value in every item of ng-repeat , increase. For example:

第一项：动画：moveUp 0.50s缓行
第二项：动画：moveUp 0.60s缓行
第三项：动画：moveUp 0.70s轻松前进

First item: animation: moveUp 0.50s ease forwardsSecond item: animation: moveUp 0.60s ease forwardsThird item: animation: moveUp 0.70s ease forwards

我如何做到这一点？

谢谢

推荐答案

您可以将 0.50s 替换为样式具有角表达式的属性。一个简单的解决方案是：

You can substitute 0.50s in style attribute with angular expression. A simple solution would be:

<div class="card moveUp" ng-repeat="x in optionsCards" style="animation: moveUp {{ (0.5 + 0.1 * $index) + 's' }} ease forwards;">

$ index 包含当前 ng-repeat 元素，因此，如果将其乘以 0.1 并添加到基数 0.5 ，每件商品的延迟时间都比前一件商品长0.1秒。

$index contains an index of current ng-repeat element so if you multiply it by 0.1 and add to base 0.5, each item will have delay 0.1s longer than its predecessor.

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