How to wrap lines in js

Methods to implement line breaks in js: 1. Use line breaks [\n, \r], the code is [alert("first line\n second line")]; 2. Use HTML [ <br>】 tag, the code is [document.write("First line, second line")].

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, DELL G3 computer. This method is suitable for all brands of computers.

Methods to implement line breaks in js:

Method 1: Use line breaks

1, \n Line break

In JavaScript, we can use \n directly where we want to break a line:

<script>
alert("第一行\n第二行");
</script>

2, \rLine break

<script>
alert("第一行\r第二行");
</script>

Method 2: Use HTML’s <br> tag

When content can be written to an HTML document, you can use HTML’s < br> tag to perform line breaks.

Example: Use document.write()

<script>
document.write("第一行<br>第二行")
</script>

Output:

第一行
第二行

Related free learning recommendations: javascript learning tutorial

The above is the detailed content of How to wrap lines in js. For more information, please follow other related articles on the PHP Chinese website!