How to set a text box to read-only by javascript

This article introduces the relevant knowledge of "how to set the text box to read-only in javascript". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Javascript sets the text box read-only method: 1, through the "onfocus=this.blur ()" setting; 2, through the "readonly" setting; 3, through the "disabled" setting text box read-only.

This article operating environment: windows7 system, javascript1.8.5 version, Dell G3 computer.

How does javascript set the text box to read-only?

_ javascript: a way to make the form text box read-only and not editable

Sometimes, we want the text box in the form to be read-only, so that the user cannot modify the information, such as the word "China". The ways of implementation can be summarized as follows.

Method 1:

Onfocus=this.blur ()

Method 2:

Readonly

Method 3:

Disabled

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