打开调试器,切换到timer,点击左下角的record按钮开始,切换到memory视图,在文档中点击鼠标左右键,看股价走势图
function Allocate(kbs){ this.mem = new Array(kbs * 1024 + 1).join(' '); this.destroy = function(){ this.mem = null; } } var located = []; window.onload = function(){ document.body.oncontextmenu = function(){ if(!located.length){ return false; } located[0].destroy(); located[0] = null; located = located.slice(1); return false; } document.body.onclick = function(evt){ evt = evt || window.event; if(evt.button != 0){ return false } located.push(new Allocate(1024)); } // setInterval(function(){ //如果有这个Interval的话内存居高不下 // located; // }, 1000); }