How to find the difference between arrays

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Returns an array of unique values that is the symmetric difference of the provided arrays. function arrayDifference( /* arrays */ ) { var arrays = [].slice.call(arguments); var complement = []; for ( var i = 0 ; i < arrays.length; i ++ ) { var array = arrays[i]; if ( Array .isArray(array)) { for ( var j = 0 ; j < array.length; j ++ ) { var value = array[j]; var atIndex = complement.indexOf(value);…

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