scripts/core/types.js
function _arrEquals(a, b) {
    return a.length == b.length &&
        a.every((el, i) => _equals(el, b[i]));
}
function _arrEquals(a, b) {
    return a.length == b.length &&
        a.every((el, i) => _equals(el, b[i]));
}
function _arrEquals ( a , b ) { return a . length == b . length && a . every ( ( el , i ) => _equals ( el , b [ i ] ) ) ; }
Compare two arrays for equality

@private
@param {Array} a
@param {Array} b
@returns {boolean}
Compare two arrays for equality