js运动 多物体运动含Json 但是里面数值不一样
<!doctype html> <html> <head> <meta charset = "utf-8"> <title>未命题</title> <style> *{margin: 0; padding: 0; } #div1{ height: 100px; width: 100px; background: red; margin-left: 200px; } </style> <script> window.onload = function () { odiv1 = document.getElementById(‘div1‘); odiv1.onclick = function () { startMove(this,{ width:200, height:300 } ,10) } function startMove (obj,json,speed) { clearInterval(obj.timer); var icur = 0; obj.timer = setInterval(function(){ var ibtn = true; for(var attr in json) { var goal = json[attr]; if(attr == ‘opacity‘) { icur = Math.round(css(obj,‘opacity‘)*100); } else { icur = parseInt(css(obj,attr)); } if(icur != goal) { ibtn = false; if(attr == ‘opacity‘) { obj.style.opacity = (iCur + iSpeed) / 100; obj.style.filter = ‘alpha(opacity=‘+ (iCur + iSpeed) +‘)‘; } else { obj.style[attr] = icur + speed + ‘px‘; } } } if(ibtn) { clearInterval(obj.timer); } },30); } function css(obj,attr) { if(obj.currentStyle) return obj.currentStyle[attr]; else return getComputedStyle(obj,false)[attr]; } } </script> </head> <body> <div id="div1"></div> </body> </html>
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