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This article mainly introduces how to define and use checked in HTML, the content is detailed and easy to understand, the operation is simple and fast, and it has certain reference value. I believe everyone will gain something after reading this HTML article on how to define and use checked. Let's take a look at it together.

check check

In HTML:

definition and use

The checked attribute specifies input elements that should be preselected when the page loads.

The checked attribute is used with or.

The checked property can also be set by JavaScript code after the page loads.

syntax

example

HTML form with a preselected checkbox:

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