The white-space attribute of css caused the space problem--looking at the hex, I found that 2020 became c2a0_html/css_WEB-ITnose

Today I discovered a strange problem. I input a piece of text from the text editor (notepad) into the textbox text box (textarea) of easyui. Without any operation, I directly input it from the text box. Copy the text and paste it into the text compiler. By checking the hexadecimal value of the text twice, it is found that the space part has changed. As shown below:

1. Text content 1: (original text is included)

2. Input to easyui In the textbox:

3. Post from the textbox:

Preliminary observation will reveal two pieces of text Changes have occurred on the spaces, further observe its hexadecimal content:

4. Hexadecimal of the original text:

5. Paste The following text hexadecimal:

Obviously, the spaces have changed and been converted into c2a0

passed After half a morning of comparison, I finally found a css attribute: white-space. Check out the w3c explanation:

 标签。

The default is normal, when added to textarea After adding the white-space:pre-wrap attribute, the above problem is easily solved.