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rjcorwin/working with hexadecimals in #javascript.md

Created August 30, 2013 19:49
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working with hexadecimals in #javascript.md

working with hexadecimals in #javascript.md

back and forth

(parseInt(1373487419, 16)).toString(16)

convert hexadecimal to integer

var s = "1f"; alert(parseInt(s, 16)); // 31

var s = "0x1f"; alert(parseInt(s, 16)); // 31

var s = "xxxxx"; alert(parseInt(s, 16)); // NaN

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