2018-10-10 22:03:03 +00:00
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---
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id: 5a94fe5469fb03452672e461
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2020-12-16 07:37:30 +00:00
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title: 使用 auto-fill 创建弹性布局
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2018-10-10 22:03:03 +00:00
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challengeType: 0
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2020-02-11 13:39:15 +00:00
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videoUrl: 'https://scrimba.com/p/pByETK/cmzdycW'
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forumTopicId: 301126
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2021-01-13 02:31:00 +00:00
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dashedName: create-flexible-layouts-using-auto-fill
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2018-10-10 22:03:03 +00:00
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---
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2020-12-16 07:37:30 +00:00
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# --description--
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2021-02-06 04:42:36 +00:00
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repeat 方法带有一个名为<dfn>自动填充(auto-fill)</dfn>的功能。 它的功能是根据容器的大小,尽可能多地放入指定大小的行或列。 你可以通过结合 `auto-fill` 和 `minmax` 来更灵活地布局。
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2020-02-11 13:39:15 +00:00
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```css
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repeat(auto-fill, minmax(60px, 1fr));
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```
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2021-08-25 16:12:11 +00:00
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上面的代码效果是这样:首先,列的宽度会随容器大小改变。其次,只要容器宽度不足以插入一个宽为 60px 的列,当前行的所有列就都会一直拉伸。请自己调整宽度,动手试一下就不难理解了。 **注意:** 如果容器宽度不足以将所有网格项放在同一行,余下的网格项将会移至新的一行。
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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# --instructions--
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2018-10-10 22:03:03 +00:00
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2021-02-06 04:42:36 +00:00
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在第一个网格中,请使用 `auto-fill` 和 `repeat` 来填充网格。 其中列宽的最小值为 `60px`,最大值为 `1fr`。 你可以调整最右侧的预览区大小,查看自动填充的效果。
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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# --hints--
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2018-10-10 22:03:03 +00:00
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2021-01-08 19:20:48 +00:00
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class 为 `container` 的元素应具有 `grid-template-columns` 属性,且属性值应使用 `repeat` 和 `auto-fill`,以便将最小宽度为 `60px`、最大宽度为 `1fr` 的列填充至网格。
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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```js
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assert(
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code.match(
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/.container\s*?{[\s\S]*grid-template-columns\s*?:\s*?repeat\s*?\(\s*?auto-fill\s*?,\s*?minmax\s*?\(\s*?60px\s*?,\s*?1fr\s*?\)\s*?\)\s*?;[\s\S]*}/gi
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)
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);
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2018-10-10 22:03:03 +00:00
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```
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2021-01-13 02:31:00 +00:00
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# --seed--
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## --seed-contents--
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```html
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<style>
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.item1{background:LightSkyBlue;}
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.item2{background:LightSalmon;}
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.item3{background:PaleTurquoise;}
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.item4{background:LightPink;}
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.item5{background:PaleGreen;}
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.container {
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font-size: 40px;
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min-height: 100px;
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width: 100%;
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background: LightGray;
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display: grid;
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/* Only change code below this line */
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grid-template-columns: repeat(3, minmax(60px, 1fr));
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/* Only change code above this line */
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grid-template-rows: 1fr 1fr 1fr;
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grid-gap: 10px;
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}
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.container2 {
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font-size: 40px;
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min-height: 100px;
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width: 100%;
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background: Silver;
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display: grid;
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grid-template-columns: repeat(3, minmax(60px, 1fr));
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grid-template-rows: 1fr 1fr 1fr;
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grid-gap: 10px;
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}
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</style>
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<div class="container">
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<div class="item1">1</div>
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<div class="item2">2</div>
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<div class="item3">3</div>
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<div class="item4">4</div>
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<div class="item5">5</div>
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</div>
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<div class="container2">
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<div class="item1">1</div>
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<div class="item2">2</div>
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<div class="item3">3</div>
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<div class="item4">4</div>
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<div class="item5">5</div>
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</div>
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```
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2020-12-16 07:37:30 +00:00
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# --solutions--
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2020-02-11 13:39:15 +00:00
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2021-01-13 02:31:00 +00:00
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```html
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<style>
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.item1{background:LightSkyBlue;}
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.item2{background:LightSalmon;}
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.item3{background:PaleTurquoise;}
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.item4{background:LightPink;}
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.item5{background:PaleGreen;}
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2021-02-06 04:42:36 +00:00
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2021-01-13 02:31:00 +00:00
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.container {
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font-size: 40px;
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min-height: 100px;
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width: 100%;
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background: LightGray;
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display: grid;
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/* Only change code below this line */
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2021-02-06 04:42:36 +00:00
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2021-01-13 02:31:00 +00:00
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grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
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2021-02-06 04:42:36 +00:00
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2021-01-13 02:31:00 +00:00
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/* Only change code above this line */
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grid-template-rows: 1fr 1fr 1fr;
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grid-gap: 10px;
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}
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2021-02-06 04:42:36 +00:00
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2021-01-13 02:31:00 +00:00
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.container2 {
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font-size: 40px;
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min-height: 100px;
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width: 100%;
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background: Silver;
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display: grid;
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grid-template-columns: repeat(3, minmax(60px, 1fr));
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grid-template-rows: 1fr 1fr 1fr;
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grid-gap: 10px;
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}
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</style>
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<div class="container">
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<div class="item1">1</div>
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<div class="item2">2</div>
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<div class="item3">3</div>
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<div class="item4">4</div>
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<div class="item5">5</div>
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</div>
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<div class="container2">
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<div class="item1">1</div>
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<div class="item2">2</div>
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<div class="item3">3</div>
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<div class="item4">4</div>
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<div class="item5">5</div>
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</div>
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```
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