window属性:onmousemove

2018-05-16 10:57 更新

onmousemove属性

该onmousemove属性返回当前元素的mousemove事件处理程序代码。

onmousemove属性语法

element.onmousemove = event handling code

笔记

当用户移动鼠标时引发该mousemove事件。

onmousemove属性示例

示例:工具提示

以下示例显示了将onmousemove事件与javaScript工具提示一起使用的情况:

<!doctype html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Tooltip Example</title>
<script type="text/javascript">
var oTooltip = new (function() {
  var nOverX, nOverY, nLeftPos, nTopPos, oNode, bOff = true;
  this.follow = function (oMsEvnt1) {
    if (bOff) { return; }
    var nMoveX =  oMsEvnt1.clientX, nMoveY =  oMsEvnt1.clientY;
    nLeftPos += nMoveX - nOverX; nTopPos += nMoveY - nOverY;
    oNode.style.left = nLeftPos + "px";
    oNode.style.top = nTopPos + "px";
    nOverX = nMoveX; nOverY = nMoveY;
  };
  this.remove = function () {
    if (bOff) { return; }
    bOff = true; document.body.removeChild(oNode);
  };
  this.append = function (oMsEvnt2, sTxtContent) {
    oNode.innerHTML = sTxtContent;
    if (bOff) { document.body.appendChild(oNode); bOff = false; }
    var nScrollX = document.documentElement.scrollLeft || document.body.scrollLeft, nScrollY = document.documentElement.scrollTop || document.body.scrollTop, nWidth = oNode.offsetWidth, nHeight = oNode.offsetHeight;
    nOverX = oMsEvnt2.clientX; nOverY = oMsEvnt2.clientY;
    nLeftPos = document.body.offsetWidth - nOverX - nScrollX > nWidth ? nOverX + nScrollX + 10 : document.body.offsetWidth - nWidth + 16;
    nTopPos = nOverY - nHeight > 6 ? nOverY + nScrollY - nHeight - 7 : nOverY + nScrollY + 20;
    oNode.style.left = nLeftPos + "px";
    oNode.style.top = nTopPos + "px";
  };
  this.init = function() {
    oNode = document.createElement("div");
    oNode.className = "tooltip";
    oNode.style.position = "absolute";
  };
})();
</script>
<style type="text/css">
div.tooltip {
  padding: 6px;
  background: #ffffff;
  border: 1px #76808C solid;
  border-radius: 5px;
  -moz-border-radius: 5px;
  -webkit-border-radius: 5px;
  z-index: 9999;
}
</style>
</head>

<body onload="oTooltip.init();">
<p><a href="http://developer.mozilla.org/" rel="external nofollow" target="_blank"  rel="external nofollow" target="_blank"  onmouseover="oTooltip.append(event,'Example text 1');" onmousemove="oTooltip.follow(event);" onmouseout="oTooltip.remove();">Move your mouse here&hellip;</a></p>
<p><a href="http://developer.mozilla.org/" rel="external nofollow" target="_blank"  rel="external nofollow" target="_blank"  onmouseover="oTooltip.append(event,'Example text 2');" onmousemove="oTooltip.follow(event);" onmouseout="oTooltip.remove();">&hellip;or here!!</a></p>
</body>
</html>

规范

规范状态注释
HTML Living Standard 
规范中'onmousemove'的定义。
Living Standard
 

浏览器兼容性

我们正在将兼容性数据转换为机器可读的JSON格式。

  • 电脑端
特征Chrome
Edge
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Safari(WebKit)
基本支持支持支持
  • 移动端
特征AndroidAndroid WebviewEdge
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