What is the usage of value in JavaScript

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Release: 2022-02-08 11:08:41
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In JavaScript, the value attribute can set or return the default value of the text field, and the syntax is "attribute.value=value" or "attribute.value".

What is the usage of value in JavaScript

The operating environment of this tutorial: Windows 10 system, JavaScript version 1.8.5, Dell G3 computer.

What is the usage of value in JavaScript

The value attribute can set the default value of the text field.

Syntax:

Set attribute value

attribute.value=value
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Return attribute value

attribute.value
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Return value: String, representing the value of the attribute.

The example is as follows:

   
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Output result:

What is the usage of value in JavaScript

##After clicking the button:

What is the usage of value in JavaScript

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