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What is the proper way to check and uncheck a checkbox in HTML5?

Looked at the HTML spec, but couldn't make heads or tails of it: http://www.w3.org/TR/html5/the-input-element.html#attr-input-checked

What is the correct way to check a checkbox in HTML (not dynamically)?

checked="true" checked="checked" 

What is the correct way to uncheck a checkbox?

<input type="checkbox" /> with no checked attribute checked="false" checked="none" 

Where to check the HTML specification to check/uncheck a checkbox?

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B Seven Avatar asked Oct 03 '12 01:10

B Seven


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How do you check and uncheck a checkbox?

Once the checkbox is selected, we are calling prop() function as prop( "checked", true ) to check the checkbox and prop( "checked", false ) to uncheck the checkbox.

How do you check a checkbox in HTML?

The checked attribute is a boolean attribute. When present, it specifies that an <input> element should be pre-selected (checked) when the page loads. The checked attribute can be used with <input type="checkbox"> and <input type="radio"> . The checked attribute can also be set after the page load, with a JavaScript.

How do I uncheck a checkbox in CSS?

The simple answer is NO, CSS cannot help you uncheck the checkbox.. You can use CSS to detect whether the input element is checked or not by using :checked and :not(:checked) .. By definition it shouldn't.

Which tag is used to correct a checkbox in HTML?

1 Answer. The correct answer to the question “Which tag creates a checkbox for a form in HTML” is option (b). <input type=″checkbox″>.


1 Answers

<input type="checkbox" checked="checked" /> 

or simply

<input type="checkbox" checked /> 

for checked checkbox. No checked attribute (<input type="checkbox" />) for unchecked checkbox.

reference: http://www.w3.org/TR/html-markup/input.checkbox.html#input.checkbox.attrs.checked

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valentinas Avatar answered Oct 14 '22 04:10

valentinas