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This article mainly introduces the relevant knowledge of "how jquery removes read-only attributes". The editor shows you the operation process through actual cases. The operation method is simple and fast, and it is practical. I hope this article "how to remove read-only attributes from jquery" can help you solve the problem.

Remove the method: 1, use "$(selector) .removeAttr (" readonly ")" statement to delete the readonly attribute; 2, use "$(selector) .attr (" readonly ", false)" to set the value of the readonly attribute to false.

The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.

Read-only attribute

The read-only attribute refers to the readonly property, which specifies that the input field is read-only.

Read-only fields cannot be modified. However, users can still use the tab key to switch to the field and select or copy its text.

The readonly attribute prevents the user from modifying the value until certain conditions are met (such as selecting a check box). Then, you need to use JavaScript to eliminate the readonly value and switch the input field to editable state.

The readonly property can be used with or with.

How to remove the read-only attribute from jquery

Method 1: use removeAttr ()

The removeAttr () method is used to remove attributes from the selected element. Grammatical format

$(selector) .removeAttr (attribute)

You only need to set the parameter attribute of this method to "readonly" to remove the read-only property.

Example:

$(document) .ready (function () {$("button") .click (function () {$("input"). RemoveAttr ("readonly");}) Remove read-only attribut

Method 2: use attr ()

Use the attr () method to set the value of the readonly property to false

$(document) .ready (function () {$("button") .click (function () {$("input"). Attr ("readonly", false);}) Remove read-only attribut

This is the end of the introduction to "how jquery removes read-only attributes". Thank you for reading. If you want to know more about the industry, you can follow the industry information channel. The editor will update different knowledge points for you every day.

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