This time I will show you how to use JS to obtain tag content, and what are the precautions for using JS to obtain tag content. The following is a practical case, let’s take a look.
In our daily JS programming, we often need to obtain the content of tags and operate on them. There are many details that are easily overlooked by us. Now I will briefly summarize it based on the methods I usually use. If there are any errors, please correct them. The HTML structure is as follows:<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <p id="box"> <p>这有个 第一个p</p> <p>这有个第二个p</p> <span>这是个 span</span> <br> <a href="#">这有个a标签</a> </p> </body> </html>This method can get all the content in the tag, including tags, spaces, text, line breaks, etc.
Method 1, innerHTML
<script>
var box = document.getElementById('box');// 获取标签的内容
var box1 = box.innerHTML;
console.log(box1);</script>The JS code and renderings are as follows:
innerHTML gets the content in the tag
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