parseInt(string, radix);
parseInt
method takes a string and radix as arguments, and convert the string to integer
in given radix.
var a =
parseInt("0377", 8); // Return 255
var b =
parseInt("255", 10); // Return 255
var c =
parseInt("0xff", 16); // Return 255
parseInt
converts the character by character, if it is unable to convert any character
it ignores it and all succeeding characters, returns the integer value
parsed up to that point.
var d =
parseInt("123edf56", 10); // Return 123
If the
first character cannot be converted to a number, parseInt returns NaN.
parseInt.html
<!DOCTYPE html> <html> <head> <title>parseInt</title> </head> <body> <script type="text/javascript"> var a = parseInt("0377", 8); // Return 255 var b = parseInt("255", 10); // Return 255 var c = parseInt("0xff", 16); // Return 255 var d = parseInt("123edf56", 10); // Return 123 var e = parseInt("a1234", 10); // Return NaN var f = parseInt("11111111", 2); // Return 255 document.write("a = " + a + "<br />"); document.write("b = " + b + "<br />"); document.write("c = " + c + "<br />"); document.write("d = " + d + "<br />"); document.write("e = " + e + "<br />"); document.write("f = " + f + "<br />"); </script> </body> </html>
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