Type Casting : Type Conversion « Number Data Type « JavaScript Tutorial

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JavaScript Tutorial » Number Data Type » Type Conversion

5. 8. 10. Type Casting

Type casting allows you to access a specific value as if it were of a different type.

Three type casts are available in JavaScript:

Boolean(value) -- casts the given value as a Boolean

Number(value) -- casts the given value as a number (either integer or floating-point)

String(value) -- casts the given value a string

5. 8. Type Conversion
	5. 8. 1.	Type Conversion
	5. 8. 2.	Type-conversion adheres to the following rules
	5. 8. 3.	Converting to a String
	5. 8. 4.	Using Number's toString() method in radix mode
	5. 8. 5.	Converting to a Number
	5. 8. 6.	parseInt() method
	5. 8. 7.	parseInt() in radix mode
	5. 8. 8.	If decimal numbers contain a leading zero, it's always best to specify the radix as 10 so that you won't accidentally end up with an octal value.
	5. 8. 9.	parseFloat() method
	5. 8. 10.	Type Casting
	5. 8. 11.	Casting to Boolean value
	5. 8. 12.	Casting to Number
	5. 8. 13.	Casting type to string
	5. 8. 14.	parseInt("33.00")
	5. 8. 15.	parseFloat("1.23e-2")
	5. 8. 16.	parseFloat("1.45inch")

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