Home Web Front-end HTML Tutorial 处理inline元素之间换行产生的空白_html/css_WEB-ITnose

处理inline元素之间换行产生的空白_html/css_WEB-ITnose

Jun 21, 2016 am 09:01 AM

图片来自网络

inline, inline-block元素之间的换行符会造成类似空格的空白。不知道你遇到过没?比如以下代码:

<a>1</a><a>2</a>
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这种问题对布局影响不大,容易被忽略。但是某些极端情况就会把这个问题放大。例如以下代码:

<ul>  <li>Item content</li>  <li>Item content</li>  <li>Item content</li></ul><style>li{  width:33.3%;  display:inline-block;  background:#abc; }</style>
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这样一行的结构,精确的分配了行内元素的宽度,而换行产生的空白的影响被放大了。如何解决这种问题呢?

  1. 选用浮动的block代替inline-block, 因为曾经要处理IE6对inline-block的兼容性,养成了不适用inline-block的习惯,所以第一个想到这种方案。
  2. 编码时不使用换行,例如以下代码:
    <ul><li>Item content</li><li>Item content</li><li>Item content</li></ul>
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    这种方法没有解决问题,而是规避了问题。这是最简单而不会带来任何影响的方法,但是之后其他人很容易排版你的代码从而导致问题,明显这种方法的可维护性太低。
  3. 将父级font-size置0,行内元素再恢复字体大小。这种方式是本人最喜欢的,不是因为它貌似"高大上",而是因为它揭开了产生问题的原理。
  4. 利用注释进行代码排版,例如以下代码:
    <ul>   <li>Item content</li><!----><li>Item content</li><!----><li>Item content</li></ul>
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  5. 使用返回标签,类似上一种办法,代码如下:
    <ul> <li>Item content</li  ><li>Item content</li ><li>Item content</li></ul>
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  6. 利用css 否定边距,例如以下代码:
    .inline-block-list li { margin-left: -4px;}
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    这种方法是最差的,因为这很有可能为了解决问题而增加了新问题的风险,同时降低了强壮性和可维护性。解决方案都经过了测试,建议采用第一种和第三种。

    本文通过Segmentfault,参考了文章Remove Whitespace Between Inline-Block Elements.

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