JavaScript Boolean is a datatype that returns either true or false In JavaScript, a boolean is used as a function to get the value of a variable, object, conditions, expressions, etc in terms of true or false
Syntax:
Boolean(variable/expression)
Example: If the operands are equal, the equal to operator == returns true
Javascript
<script>
console.log(15 == 15)
console.log(15 == 11)
</script>
|
Output:
true
false
The complete list of JavaScript Boolean has listed below:
JavaScript Boolean Constructor: A constructor gets called when an object is created using the new keyword.
Constructor | Descriptions | Examples |
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Boolean() | Create Boolean objects or return primitive values of type boolean. | |
JavaScript Boolean Properties: A JavaScript property is a member of an object that associates a key with a value.
Instance Properties | Descriptions | Examples |
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constructor | Add a new property and methods to all Boolean instances. | |
JavaScript Boolean Methods: Methods are actions that can be performed on objects.
Instance Methods | Descriptions | Examples |
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valueOf() | Returns the value of boolean object. | |
toString() | Returns a string according to the Boolean value. | |