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RSS订阅超级炫酷的效果js实现动画导航菜单
/找到除空格外所有的子对象
function getChilds (obj) {
var childs=obj.childNodes;
var arr=[];
for (var i=0; i<childs.length; i++) {
//if(childs[i].nodeType==3 && /^\s+$/.test(childs[i].nodeValue)){
if(childs[i].nodeType==3){
continue;
}else{
arr.push(childs[i])
}
}
return arr;
}
//通过类名获取对象
function getClass (classname,obj) {
var obj=obj||document;
var arr=[];
if(document.getElementsByClassName){
return obj.getElementsByClassName(classname)
}else{
var alls=obj.getElementsByTagName("*");
for (var i=0; i<alls.length; i++) {
if(alls[i].className==classname){
arr.push(alls[i])
}
}
}
return arr;
}
//
function contains(parentNode, childNode) {
if (parentNode.contains) {
return parentNode != childNode && parentNode.contains(childNode);
} else {
// return !!(parentNode.compareDocumentPosition(childNode) & 16);
return (parentNode.compareDocumentPosition(childNode) ===20);
}
}
function checkHover(e,target){
if (getEvent(e).type=="mouseover") {
return !contains(target,getEvent(e).relatedTarget||getEvent(e).fromElement) && !((getEvent(e).relatedTarget||getEvent(e).fromElement)===target);
} else {
return !contains(target,getEvent(e).relatedTarget||getEvent(e).toElement) && !((getEvent(e).relatedTarget||getEvent(e).toElement)===target);
}
}
function getEvent(e){
return e||window.event;
}
2019-02-15
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