src/core.js
function posBar(_pos) {
            if (this.bar) {
                var was = css(this.bar, this.origin.pos),
                    will = +_pos + 'px'

                if (will && will != was) {
                    css(this.bar, this.origin.pos, will)
                }
            }
        }
function posBar(_pos) {
            if (this.bar) {
                var was = css(this.bar, this.origin.pos),
                    will = +_pos + 'px'

                if (will && will != was) {
                    css(this.bar, this.origin.pos, will)
                }
            }
        }
function posBar ( _pos ) { if ( this . bar ) { var was = css ( this . bar , this . origin . pos ) , will = + _pos + 'px' if ( will && will != was ) { css ( this . bar , this . origin . pos , will ) } } }
Updating top or left bar position
Updating top or left bar position