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- How to take boolean input in HTML?
- How to set boolean value in HTML?
- How to check boolean value in HTML?
- What are HTML boolean attributes?
How to take boolean input 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"> .
How to set boolean value in HTML?
The values "true" and "false" are not allowed on boolean attributes. To represent a false value, the attribute has to be omitted altogether. Here is an example of a checkbox that is checked and disabled. The checked and disabled attributes are the boolean attributes.
How to check boolean value in HTML?
Follow the below syntax to check for Boolean type variable using strict equality operator. If( variable === true || variable === false ) // variable is of Boolean type.
What are HTML boolean attributes?
What is a Boolean attribute? A Boolean attribute is an attribute that can only be true or false. How does a Boolean attribute work? According to the HTML specification: The presence of a boolean attribute on an element represents the “true” value, and the absence of the attribute represents the “false” value.
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