如何将div的内部文本限制为175个字符? [英] How to limit inner text of div to 175 characters?

问题描述

我有一个div区域，该区域具有任意数量的字符.我想将其中显示的字符数限制为175个字符.我主要发现了如何对输入文本框或文本区域执行此操作的实例，但对于div却找不到.有人可以帮忙吗?

I have a div area that has an arbitrary number of characters. I want to limit the amount of characters that show up in there to 175 characters. I mostly found exaple on how to do this for a input text box or text area, but not a div. Can anyone help with this?

这是我要限制为175个字符的代码:

This is my code I am trying to limit to 175 characters:

<div class="some-area">
Blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah
</div>

推荐答案

您可以使用 text()的形式它需要一个函数并编写如下内容:

You can use the the form of text() that takes a function and write something like:

$("div.some-area").text(function(index, currentText) {
    return currentText.substr(0, 175);
});

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