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/*jshint
asi: true,
unused: true,
boss: true,
loopfunc: true,
eqnull: true
*/
/*!
* Legacy browser support
*/
// Map array support
if ( ![].map ) {
Array.prototype.map = function ( callback, self ) {
var array = this, len = array.length, newArray = new Array( len )
for ( var i = 0; i < len; i++ ) {
if ( i in array ) {
newArray[ i ] = callback.call( self, array[ i ], i, array )
}
}
return newArray
}
}
// Filter array support
if ( ![].filter ) {
Array.prototype.filter = function( callback ) {
if ( this == null ) throw new TypeError()
var t = Object( this ), len = t.length >>> 0
if ( typeof callback != 'function' ) throw new TypeError()
var newArray = [], thisp = arguments[ 1 ]
for ( var i = 0; i < len; i++ ) {
if ( i in t ) {
var val = t[ i ]
if ( callback.call( thisp, val, i, t ) ) newArray.push( val )
}
}
return newArray
}
}
// Index of array support
if ( ![].indexOf ) {
Array.prototype.indexOf = function( searchElement ) {
if ( this == null ) throw new TypeError()
var t = Object( this ), len = t.length >>> 0
if ( len === 0 ) return -1
var n = 0
if ( arguments.length > 1 ) {
n = Number( arguments[ 1 ] )
if ( n != n ) {
n = 0
}
else if ( n !== 0 && n != Infinity && n != -Infinity ) {
n = ( n > 0 || -1 ) * Math.floor( Math.abs( n ) )
}
}
if ( n >= len ) return -1
var k = n >= 0 ? n : Math.max( len - Math.abs( n ), 0 )
for ( ; k < len; k++ ) {
if ( k in t && t[ k ] === searchElement ) return k
}
return -1
}
}
/*!
* Cross-Browser Split 1.1.1
* Copyright 2007-2012 Steven Levithan <stevenlevithan.com>
* Available under the MIT License
* http://blog.stevenlevithan.com/archives/cross-browser-split
*/
var nativeSplit = String.prototype.split, compliantExecNpcg = /()??/.exec('')[1] === undefined
String.prototype.split = function(separator, limit) {
var str = this
if (Object.prototype.toString.call(separator) !== '[object RegExp]') {
return nativeSplit.call(str, separator, limit)
}
var output = [],
flags = (separator.ignoreCase ? 'i' : '') +
(separator.multiline ? 'm' : '') +
(separator.extended ? 'x' : '') +
(separator.sticky ? 'y' : ''),
lastLastIndex = 0,
separator2, match, lastIndex, lastLength
separator = new RegExp(separator.source, flags + 'g')
str += ''
if (!compliantExecNpcg) {
separator2 = new RegExp('^' + separator.source + '$(?!\\s)', flags)
}
limit = limit === undefined ? -1 >>> 0 : limit >>> 0
while (match = separator.exec(str)) {
lastIndex = match.index + match[0].length
if (lastIndex > lastLastIndex) {
output.push(str.slice(lastLastIndex, match.index))
if (!compliantExecNpcg && match.length > 1) {
match[0].replace(separator2, function () {
for (var i = 1; i < arguments.length - 2; i++) {
if (arguments[i] === undefined) {
match[i] = undefined
}
}
})
}
if (match.length > 1 && match.index < str.length) {
Array.prototype.push.apply(output, match.slice(1))
}
lastLength = match[0].length
lastLastIndex = lastIndex
if (output.length >= limit) {
break
}
}
if (separator.lastIndex === match.index) {
separator.lastIndex++
}
}
if (lastLastIndex === str.length) {
if (lastLength || !separator.test('')) {
output.push('')
}
} else {
output.push(str.slice(lastLastIndex))
}
return output.length > limit ? output.slice(0, limit) : output
};