Code:
Copy the codeThe code is as follows:
<input type="text" value="fisker" onclick="alert();" onfocus="()" />
The input box cannot get focus and cannot be edited
The form can get values.
Can be copied.
It’s quite strange. I chose it all, but haven’t gained the focus yet?
2,readonly
Code:
<input type="text" value="fisker" onclick="alert();" readonly />
The input box is read-only. Cannot edit
The same form can get values.
It can also be copied.
3,disabled
Code:
Copy the codeThe code is as follows:
<input type="text" value="fisker" onclick="alert();" disabled />
The input box is grayed out and cannot be edited
Its value can be changed or obtained in JS, but the value is not submitted when committing.