Created
October 13, 2014 13:58
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Creates a 'range' Array, extracted from Liquid.js
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// Creates a 'range' Array, extracted from Liquid.js | |
function makeRange(from, to) { | |
var arr= [], | |
left= parseInt(from), | |
right= parseInt(to); | |
// Check if left and right are NaN, if so try as characters | |
if( isNaN(left + right) ) { | |
// TODO Add in error checking to make sure ranges are single | |
// character, A-Z or a-z, etc. | |
left = from.charCodeAt(0); | |
right = to.charCodeAt(0); | |
var limit = right-left+1; | |
for (var i=0; i<limit; i++) arr.push(String.fromCharCode(i+left)); | |
} | |
else { // okay to make array | |
var limit = right-left+1; | |
for (var i=0; i<limit; i++) arr.push(i+left); | |
} | |
return arr; | |
} |
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