Css disables the specified text code instance and css disables the text instance.

Css disables the specified text code instance and css disables the text instance.

Css disables the selection of the specified text code instance:
The actual encoding may have such a requirement, so that the specified element cannot be selected. The following describes how to achieve this through code instances. The Code is as follows:

<! DOCTYPE html>  
The above code disables the selection of elements in the div, but this code is still flawed at present, because the browsers below IE9 do not support it, you need to use javascript to make it compatible with all mainstream browsers. For details, refer to Section 1 "prohibit selected text code instances" compatible with all browsers.
 
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