parseFloat("1.23e-2") : Type Conversion « Number Data Type « JavaScript Tutorial

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JavaScript Tutorial » Number Data Type » Type Conversion

5. 8. 15. parseFloat("1.23e-2")


<html>

<head>

<title>Convert String to Number</title>

</head>

<body>

<p>

<script type="text/javascript">

var sNum = "1.23e-2";

document.writeln(parseFloat(sNum));



</script>

</p>

</body>

</html>

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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