Safari错误？使用GSAP翻译表行组标题会跳到底部 [英] Safari bug ? Translating table-row-group using GSAP make caption jump to bottom

问题描述

我们正在使用GSAP为日历设置动画。日历是使用css表，行和标题绘制的。

We are animating a calendar using GSAP. The calendar is draw using css table, row and caption...

我们想对这张表的某些部分进行动画处理。

We wanted to animated some part of this table.

但是比单词更好的是在Safari上打开一个codepen：

But better than words here is a codepen to open on safari:

https://codepen.io/anon/pen/rmrJRy

var body = document.getElementById('body')

TweenMax.to(body, 1, {x: 400});

.table {
  display: table;
  width: 500px;
}
.header-group {
  display: table-header-group;
}
.body {
  display: table-row-group;
}
.caption {
  display: table-caption;
}
.cell {
  display: table-cell;
  border: solid 1px blue;
  text-align: center;
}
.row {
  display: table-row;
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/1.19.1/TweenMax.min.js"></script>
<div class="table">
  <div class="caption">Fevrier 2017</div>
  <div class="header-group">
    <div class="row">
      <div class="cell">L</div>
      <div class="cell">M</div>
      <div class="cell">M</div>
      <div class="cell">J</div>
      <div class="cell">V</div>
    </div>
  </div>
  <div class="body" id="body">
    <div class="row">
      <div class="cell">1</div>
      <div class="cell">2</div>
      <div class="cell">3</div>
      <div class="cell">4</div>
      <div class="cell">5</div>
    </div>
  </div>
</div>

PS：我只是决定在一些绝对位置上乱砍。但是希望听到更好的解决方案。

PS: I just decided to hack around with some position absolute. But would like to hear to better solutions.

推荐答案

示例中的关键点是 TweenMax操作，该操作将添加将转换属性转换为 body类。似乎是Safari的错误：如果定位的元素或创建新堆栈上下文的元素作为表的子元素出现，则将在Safari中引起标题的重新渲染错误。

The key point in your example is the "TweenMax" operation, which will adds a "transform" property to the "body" class. It seems a bug of Safari: if a positioned element, or a element who creates a new stacking context, appears as a child element of the table, a re-render bug of caption will be caused in Safari.

不幸的是，目前似乎没有更好的解决方案。
绝对位置也许是您应该依靠的最佳选择。

是，这也许是一个更好的解决方案。我们已经知道Safari无法适当地单独解决我们上面提到的情况。因此，我们可以尝试告诉它如何准备表格标题的重新呈现。向标题元素添加意愿更改属性是一种方法。在这种情况下，我们将带有 transform值的遗嘱更改添加到标题。然后，一切都会好起来。

Yes, here maybe a better solution. We already known that Safari cannot handle the situation we've mentioned above by itself, appropriately. So, we can try to tell it how to prepare a rerender for the table caption. Adding a will-change property to the caption element is the way. In this case, we add the will-change with the value "transform" to the caption. Then, everything will be Okay.

有关will-change属性的详细信息可以结帐此处

The details about will-change property could be checkout here

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