mouseenter跨浏览器
mouseenter跨浏览器
by kixi
HTML
<div id="dd" style="background-color:#369;width:50%;height:50%;position:absolute;left:25%;top:25%;">
<div id='kixi' style="background-color:#ff0;width:50%;height:50%;position:relative;left:25%;top:25%">
<div style="background-color:#789;width:50%;height:50%;position:relative;left:25%;top:25%">
<div style="background-color:#123;width:50%;height:50%;position:relative;left:25%;top:25%">
<div style="background-color:#456;width:50%;height:50%;position:relative;left:25%;top:25%"></div>
</div>
</div>
</div>
</div>
CSS
/*
清晰网
kixi.com.cn
从javascript开始
*/
JavaScript
var dd = document.getElementById('kixi')
if (!+'\v1') { //ie
dd.onmouseenter = function () {
alert(1);
};
dd.onmouseleave = function () {
alert(2);
};
} else { //others
dd.onmouseover = function (e) {
var t = e.relatedTarget;
if (!t || (!(t.compareDocumentPosition(this) & 8) && t !== this)) {
// t有可能是不存在的, target在很边缘的情况下,从浏览器外部直接移入target
alert('mouseenter')
}
};
dd.onmouseout = function (e) {
var t = e.relatedTarget;
if (!t || (!(t.compareDocumentPosition(this) & 8) && t !== this)) {
// t有可能是不存在的, target在很边缘的情况下,从浏览器外部直接移入target
alert('mouseleave')
}
};
}