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浠ｇ爜錛?br />
html浠ｇ爜
<div id="chatDiv" style="position: absolute; buttom: 0px; right: 0px; ">鎮(zhèn)誕欏甸潰</div>
js浠ｇ爜
/*浼?xì)璇濋潰鏉挎?zhèn)誕*/
window.onscroll = function () {
var div = document.getElementById("chatDiv");
div.style.top = document.body.scrollTop;
};
window.onresize = window.onscroll;
window.onscroll();
璇存槑錛歨tml浠ｇ爜涓璫ss璁劇疆id涓篶hatDiv鐨刣iv鍏冪礌鏄劇ず浣嶇疆.js浠ｇ爜瀹炵幇嫻忚鍣ㄦ粴鍔ㄦ潯婊氬姩涓巇iv鏄劇ず浣嶇疆銆?
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