<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <style> .box{ width:50px; height:50px; padding:4px; -o-box-sizing:border-box; -moz-box-sizing:border-box; -webkit-box-sizing:border-box; -ms-box-sizing:border-box; box-sizing:border-box; display:inline-block; border:4px solid #fff; background-color:#ddd; } html,body{ width:100%; height:100%; padding:0; margin:0; } #container{ font-size:0; } </style> </head> <body> <div id="container"></div> </body> </html> <script> window.addEventListener('load',function(){ size(); }); function size(){ var container = document.getElementById('container'); container.innerHTML = ''; var x = Math.floor(window.innerWidth/50); var y = Math.floor(window.innerHeight/50); for(var i = 0; i < x*y; i++){ var box = document.createElement('div'); box.className = 'box'; container.appendChild(box); } } window.addEventListener('resize',function(){ size(); }); </script>
效果图：
