Object->EventTarget->Function->Node->Element->HTMLElement->HTMLParagraphElement->ThisIsAParagraphElement
2018-04-17
function isElement(e){
return !!e && e instanceof Node && e.nodeType == 1;
}
return !!e && e instanceof Node && e.nodeType == 1;
}
2018-04-16
渲染引擎:
$(document).ready(function(){
//to do whatever you want to do
});
$(document).ready(function(){
//to do whatever you want to do
});
2018-04-16
Element: 1--div--null;
Attr: 2--id--dd;
Text: 3--#text--Hello, world;
Document: 9--#document--null;
Doctype: 10--html--null;
Comment: 8--#comment--This is a comment;
DocmentFragment: 11-#document-fragment--null;
Attr: 2--id--dd;
Text: 3--#text--Hello, world;
Document: 9--#document--null;
Doctype: 10--html--null;
Comment: 8--#comment--This is a comment;
DocmentFragment: 11-#document-fragment--null;
2018-04-16
已采纳回答 / 泉州梁朝伟
<body> <div id="t"> </div> <script> var textdiv = document.getElementById("t"); console.log(textdiv.nodeName+"/"+textdiv.nodeValue);//打印结果为:DIV/null var textnode =textdiv.childNodes[0]; console.log(textnode.nod...
2018-04-13
最赞回答 / 慕粉1554206971
我从网上找的例子中总结一下,你制定了一条规则,你自己做事的时候遵守了这条规则,是直调,你要求别人做事,而别人必须去调用你的规则并且在你的规则下做事,那么这个规则就是回调函数.
2018-04-10