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This article is about how line breaks are expressed in javascript. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

The expression of line break is as follows: (1) the newline character "\ n", insert "\ n" directly where you want to break the line, and insert "\ r" directly where you want to break the line. 3. "

"tags that can be inserted where you want to wrap when writing to an HTML document."

"tag to wrap the line.

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

The representation of line feeds in javascript

1. Newline character "\ n"

In JavaScript, we can use\ nline feeds directly where we want to wrap:

Alert ("first line\ nsecond line")

Output result:

2. Newline character "\ r"

You can also use\ r to wrap lines directly where you want to wrap:

Alert ("hello\ rworld")

Output result:

3. HTML's

Label

When you can write content to an HTML document, you can use the HTML

Tag to wrap the line.

Example: use [xss_clean] () or innerHTML attribute

Document.getElementById ("p") [xss_clean] = "hello

World "; [xss_clean] (" first line

Second line ")

Output result:

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