Created
May 21, 2015 20:30
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Base64
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strToBase64: function(input){ | |
var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=', | |
result = '', | |
chr1, chr2, chr3, | |
enc1, enc2, enc3, enc4, | |
i = 0; | |
do { | |
chr1 = input.charCodeAt(i++); | |
chr2 = input.charCodeAt(i++); | |
chr3 = input.charCodeAt(i++); | |
enc1 = chr1 >> 2; | |
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4); | |
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6); | |
enc4 = chr3 & 63; | |
if (isNaN(chr2)) { | |
enc3 = enc4 = 64; | |
} else if (isNaN(chr3)) { | |
enc4 = 64; | |
} | |
result += chars.charAt(enc1) + chars.charAt(enc2) + chars.charAt(enc3) + chars.charAt(enc4); | |
} while (i < input.length); | |
return result; | |
} |
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