898             popupHeader._dragStartX = e.clientX;
913             const deltaX = e.clientX - popupHeader._dragStartX;
2212         initialX = e.clientX - xOffset;
2221             currentX = e.clientX - initialX;
3333     _lastMouseX = e.clientX;
3794     function createTrailParticle(clientX, clientY) {  argument
3799         trail.style.left = clientX + 'px';
3811     function createPixelSparkles(clientX, clientY) {  argument
3824             pixel.style.left = (clientX + offsetX) + 'px';
3853     function createExplosion(clientX, clientY) {  argument
3865             heart.style.left = clientX + 'px';
3899             particle.style.left = clientX + 'px';
3941             pixel.style.left = clientX + 'px';
3967         flash.style.left = clientX + 'px';
3993             createTrailParticle(e.clientX, e.clientY);
3994             createPixelSparkles(e.clientX, e.clientY);
4010             createExplosion(e.clientX, e.clientY);