qq_32615575的博客

var box=document.getElementById(‘box’); // 获取元素alert(box.getBoundingClientRect().top); // 元素上边距离页面上边的距离alert(box.getBoundingClientRect().right); // 元素右边距离页面左边的距离alert(box.getBoundingClientRect().bottom); // 元素下边距离页面上边的距离alert(box.getBoundingClient.

样式代码如下pre { background: #303030; color: #f1f1f1; padding: 10px 16px; border-radius: 2px; border-top: 4px solid #00aeef; -moz-box-shadow: inset 0 0 10px #000; box-shadow: inset 0 0 10px #000; counter-reset: line;}pre span {.