var startT = Date.now();
var startX = event.clientX;
var startY = event.clientY;
var endT = startT;
console.log(startX+","+endX);
while (endT < startT + 100) {
endT = Date.now();
}
var end
我有一個非常奇怪的情況下,我必須說。首先,讓我分享你我的工作代碼: var CVSv2 = document.getElementById("CVS");
var ctx = CVSv2.getContext("2d");
var wH = window.innerHeight;
var wW = window.innerWidth;
CVS.