parseInt() in radix mode : Type Conversion « Number Data Type « JavaScript Tutorial

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JavaScript Tutorial » Number Data Type » Type Conversion

5. 8. 7. parseInt() in radix mode

The parseInt() method also has a radix mode, allowing you to convert strings in binary, octal, hexadecimal, or any other base into an integer.

The radix is specified as a second argument to parseInt().


var iNum1 = parseInt("AF", 16);

var iNum1 = parseInt("10", 2);

var iNum2 = parseInt("10", 8);

var iNum2 = parseInt("10", 10);

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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