1. let testE1 = uni.createSelectorQuery().select('.bubble-selected')<br />        animation.transition(testEl, {<br />          styles: {<br />            backgroundColor: '#007AFF',<br />            transform: 'translate(100px, 80px)',<br />            transformOrigin: 'center center'<br />          },<br />          duration: 800, //ms<br />          timingFunction: 'ease',<br />          delay: 0 //ms<br />        }, () => {<br />          uni.showToast({<br />            title: 'finished',<br />            icon: 'none'<br />          });<br />        })