src/aria/touch/widgets/DoubleSlider.js
function (evt) {
            this._oldValue = [this.value[0], this.value[1]];
            // Just store the initial position of the element to compute the move later
            this._initialDrag = evt.src.posX;
            this._initialSavedX = evt.src.id === this._firstDomId ? this._savedX1 : this._savedX2;
        }
function (evt) {
            this._oldValue = [this.value[0], this.value[1]];
            // Just store the initial position of the element to compute the move later
            this._initialDrag = evt.src.posX;
            this._initialSavedX = evt.src.id === this._firstDomId ? this._savedX1 : this._savedX2;
        }
function ( evt ) { this . _oldValue = [ this . value [ 0 ] , this . value [ 1 ] ] ; // Just store the initial position of the element to compute the move later this . _initialDrag = evt . src . posX ; this . _initialSavedX = evt . src . id === this . _firstDomId ? this . _savedX1 : this . _savedX2 ; }
Handle the beginning of a drag
@protected
@param {aria.DomEvent} evt
Handle the beginning of a drag