为什么元素布局之间存在空格或换行符很重要?
例如 <span/><span/>
的行为与<span/> <span/>
不同(请注意空格(。
我正在尝试解决的问题是让我的跨度元素换行,但在它们不换行时也没有可见的空间。在下面的代码片段中,您可以看到首先在宽段落中定义的跨度对,然后是窄段落,并且第一个不使用任何间距的示例不像其他示例那样使用换行符。
为什么?有没有一个术语我可以谷歌来了解更多信息?当容器较窄时,我如何始终有两个跨度换行符,而当容器足够宽时,它们之间没有可见的空间?
p {
width: 135px;
background-color: pink;
}
.narrow {
width: 35px;
}
h1 {
font-size: 140%;
}
<h1>
No space:
</h1>
<p>
<span>Foo</span><span>Bar</span>
</p>
<p class="narrow">
<span>Foo</span><span>Bar</span>
</p>
<h1>
Space between element definitions:
</h1>
<p>
<span>Foo</span> <span>Bar</span>
</p>
<p class="narrow">
<span>Foo</span> <span>Bar</span>
</p>
<h1>
New line between element definitions:
</h1>
<p>
<span>Foo</span>
<span>Bar</span>
</p>
<p class="narrow">
<span>Foo</span>
<span>Bar</span>
</p>
这个空格被称为空格,就像你放在两个单词之间的空格。因此,this is a text
与thisisatext
不同,span
是一个内联元素,因此它的行为类似于文本。
要删除它们,您可以将字体大小设置为 0:
p {
width: 135px;
background-color: pink;
font-size:0;
}
.narrow {
width: 35px;
font-size:0;
}
span {
font-size:initial;
}
h1 {
font-size: 140%;
}
<h1>
No space:
</h1>
<p>
<span>Foo</span><span>Bar</span>
</p>
<p class="narrow">
<span>Foo</span><span>Bar</span>
</p>
<h1>
Space between element definitions:
</h1>
<p>
<span>Foo</span> <span>Bar</span>
</p>
<p class="narrow">
<span>Foo</span> <span>Bar</span>
</p>
<h1>
New line between element definitions:
</h1>
<p>
<span>Foo</span>
<span>Bar</span>
</p>
<p class="narrow">
<span>Foo</span>
<span>Bar</span>
</p>
如果你想避免换行,你可以考虑属性white-space
并将其设置为 nowrap
:
p {
width: 135px;
background-color: pink;
font-size:0;
white-space:nowrap;
}
.narrow {
width: 35px;
font-size:0;
}
span {
font-size:initial;
}
h1 {
font-size: 140%;
}
<h1>
No space:
</h1>
<p>
<span>Foo</span><span>Bar</span>
</p>
<p class="narrow">
<span>Foo</span><span>Bar</span>
</p>
<h1>
Space between element definitions:
</h1>
<p>
<span>Foo</span> <span>Bar</span>
</p>
<p class="narrow">
<span>Foo</span> <span>Bar</span>
</p>
<h1>
New line between element definitions:
</h1>
<p>
<span>Foo</span>
<span>Bar</span>
</p>
<p class="narrow">
<span>Foo</span>
<span>Bar</span>
</p>