Solution for failing to wrap the content submitted by textarea _ basic knowledge

In this article, I will introduce some solutions that cannot be used to wrap the content submitted by textarea. If you have any need, please refer to when we submit data through textarea on the page, the content we input will be processed as a piece of content after submission. Even if we input a lot of line breaks in textarea, it is also a piece of content after submission, what if we need to save the input information as input?

A major problem is that the line break is displayed on the page.
Label, and the line break when the content is displayed in textarea is \ n. The following describes how to convert the line break in the input content to the line break in the webpage through js. You can simply submit the money on the webpage for the following processing.

The Code is as follows: