Question

js touch事件

//点击事件 $("#outerDiv").mousedown(function(event){ preX = event.clientX; preY = event.clientY; //计算当前点击的点与圆心(150,150)的X轴的夹角(弧度) --> 上半圆为负(0 ~ -180), 下半圆未正[0 ~ 180] preAngle = Math.atan2(preY - 150, preX - 150); //移动事件 $("html").mousemove(function(event){ curX = event.clientX; curY = event.clientY; //计算当前点击的点与圆心(150,150)的X轴的夹角(弧度) --> 上半圆为负(0 ~ -180), 下半圆未正[0 ~ 180] var curAngle = Math.atan2(curY - 150, curX - 150); transferAngle = curAngle - preAngle; a += (transferAngle * 180 / Math.PI); $('#outerDiv').rotate(a); for( var i = 1 ; i <= 8 ; i++ ){ $("#m"+i).rotate(-a); } preX = curX; preY = curY; preAngle = curAngle; }); //释放事件 $("html").mouseup(function(event){ $("html").unbind("mousemove"); }); }); </script>
js mouse事件修改为touch事件怎么修改





Answer 1

监听事件
window.addEventListener("touchstart",function(){})