Example effect:
1. The divMain of the main content is horizontally centered;
2.divLeft is close to the divMain, the position is fixed, and does not move with the vertical scroll bar;
Related codes:
<html><head runat="server"> <title>设置靠近主体内容的左侧固定位置的Div</title><style>#divLeft{ position:fixed;/* 固定位置 */ top:200px; border:solid 1px #ccc; width:150px; height:500px;} #divMain{ width:918px; height:2000px; border:solid 1px #ccc; margin:0 auto;/* 水平居中 */}</style></head><body onresize="setDivLeftPosition();" ><div id="divMain"></div><div id="divLeft"> 左侧固定位置</div></body></html><script type="text/javascript"> //动态调整左侧Div的位置 function setDivLeftPosition() { var divMain = document.getElementById("divMain"); document.getElementById("divLeft").style.left = (divMain.offsetLeft - 155) + "px"; } setDivLeftPosition(); // var top, left; // if (div.currentStyle) { left = div.currentStyle.left; top = div.currentStyle.top; } // else if (window.getComputedStyle) { left = window.getComputedStyle(div, null).left; top = window.getComputedStyle(div, null).top; } // alert(left + "," + top);</script>
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