怎么说呢，刚包完夜吧，应该很累了，但现在仍有力气敲打着这些字符，看来我还没有到此为止啊。
废话少说，最近写了个在线的编辑器，类似ewebeditor那样的，当然没有人家那么强大，但是基本功能都有，而且还是兼容ie和ff的，为此我也花了不少功夫，还是赶紧把代码祭出来吧
demo.html：
复制代码 代码如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<script src="https://www.jb51.net/core.js"></script>
<script src="https://www.jb51.net/advance.js"></script>
<table bgcolor="gray">
<tr><td>
字体：<select onchange="FontName(this.options[this.selectedIndex].value)">
<option value="宋体">宋体
<option value="黑体">黑体
<option value="楷体_GB2312">楷体
<option value="仿宋_GB2312">仿宋
<option value="隶书">隶书
<option value="幼圆">幼圆
<option value="新宋体">新宋体
<option value="细明体">细明体
<option value="Arial">Arial
<option value="Arial Black">Arial Black
<option value="Arial Narrow">Arial Narrow
<option value="Bradley Hand ITC">Bradley Hand ITC
<option value="Brush Script MT">Brush Script MT
<option value="Century Gothic">Century Gothic
<option value="Comic Sans MS">Comic Sans MS
<option value="Courier">Courier
<option value="Courier New">Courier New
<option value="MS Sans Serif">MS Sans Serif
<option value="Script">Script
<option value="System">System
<option value="Times New Roman">Times New Roman
<option value="Viner Hand ITC">Viner Hand ITC
<option value="Verdana">Verdana
<option value="Wide Latin">Wide Latin
<option value="Wingdings">Wingdings</option>
</select>
字号：<select onchange="FontSize(this.options[this.selectedIndex].value)">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
</select>
<button>颜色</button>
<button>加粗</button>
<button>倾斜</button>
<button>居左</button>
<button>居中</button>
<button>居右</button>
</td></tr>
<tr><td>
<button>插入影视和图片</button>
<button>上传文件</button>
<button>插入表格</button>
<button>插入水平线</button>
<button>插入超链接</button>
</td></tr>
<tr>
<td>
<iframe></iframe>
</td>
</tr>
</table>
<script src="https://www.jb51.net/edit.js"></script>
</body>
</html>
core.js：
复制代码 代码如下:
sx={};
sx.comm={};
sx.comm.string=function(){
if(!String.prototype.left){
String.prototype.left=function(l){
return this.substr(0,l);
}
}
if(!String.prototype.right){
String.prototype.right=function(l){
return this.substr(this.length-l,l);
}
}
if(!String.prototype.trim){
String.prototype.trim=function(){
return this.replace(/^/s+|/s+$/g,"");
}
}
}();
sx.comm.array=function(){
if(!Array.prototype.indexOf){
Array.prototype.indexOf=function(data){
for(var i=0;i<this.length;i++){
if(this[i]==data){
break;
}
}
return i==this.length?-1:i;
}
}
if(!Array.prototype.lastIndexOf){
Array.prototype.lastIndexOf=function(data){
for(var i=this.length-1;i>=0;i--){
if(this[i]==data){
break;
}
}
return i;
}
}
if(!Array.prototype.clone){
Array.prototype.clone=function(){
var temp=[];
for(var i=0;i<this.length;i++){
if(this[i] instanceof Array){
temp[i]=this[i].clone();
}else{
temp[i]=this[i];
}
}
return temp;
}
}
if(!Array.prototype.every){
Array.prototype.every=function(o,f){
for (var i = 0; i < this.length; i++) {
if (this[i] instanceof Array) {
this[i].every(o,f);
}
else {
f.call(o, this[i]);
}
}
}
}
}();
sx.comm.ver=function(){
try{
HTMLElement;
return "ff";
}catch(e){
return "ie";
}
}();
sx.comm.ext=function(){
if(sx.comm.ver=="ff"){
HTMLElement.prototype.__defineGetter__("outerHTML",function(){
var attr;
var attrs=this.attributes;
var str="<"+this.tagName.toLowerCase();
for(var i=0;i<attrs.length;i++){
attr=attrs[i];
if(attr.specified)
str+=" "+attr.name+'="'+attr.value+'"';
}
if(!this.canHaveChildren)
return str+">";
return str+">"+this.innerHTML+"</"+this.tagName.toLowerCase()+">";
});
HTMLElement.prototype.__defineGetter__("canHaveChildren",function(){
switch(this.tagName.toLowerCase()){
case "area":
case "base":
case "basefont":
case "col":
case "frame":
case "hr":
case "img":
case "br":
case "input":
case "isindex":
case "link":
case "meta":
case "param":
return false;
}
return true;
});
XMLDocument.prototype.selectNodes = Element.prototype.selectNodes = function (){
//alert(arguments[0]);
var oNSResolver = this.createNSResolver(this.documentElement)
var aItems = this.evaluate(arguments[0].toLowerCase(), this, oNSResolver,
XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null)
var aResult = [];
for( var i = 0; i < aItems.snapshotLength; i++)
{
aResult[i] = aItems.snapshotItem(i);
}
//alert(aItems.snapshotLength);
return aResult;
}
}
}();
sx.event={};
sx.event.target=function(){
if(window.event){
return window.event.srcElement;
}else{
var f=arguments.callee.caller;
while(f){
if(f.arguments[0] instanceof Event){
return f.arguments[0].target;
}
f=f.caller;
}
}
}
sx.event.event=function(){
if (window.event) {
return window.event;
}else{
var f=arguments.callee.caller;
while (f) {
if (f.arguments[0] instanceof Event) {
return f.arguments[0];
}
f = f.caller;
}
}
}
sx.event.relatedtarget=function(){
if(window.event){
if(window.event.type=="mouseover"){
return window.event.fromElement;
}else if(window.event.type=="mouseout"){
return window.event.toElement;
}
}else{
var f=arguments.callee.caller;
while (f) {
if (f.arguments[0] instanceof Event) {
return f.arguments[0].relatedTarget;
}
f = f.caller;
}
}
}
sx.event.stopevent=function(){
if (window.event) {
window.event.returnValue=false;
window.event.cancelBubble=true;
}else{
var f=arguments.callee.caller;
while(f){
if(f.arguments[0] instanceof Event){
break;
}
f=f.caller;
}
f.arguments[0].preventDefault();
f.arguments[0].stopPropagation();
}
}
sx.event.addevent=function(e,t,f){
if(!arguments.callee.event){
arguments.callee.event=[];
}
if(e.attachEvent){
e.attachEvent("on"+t,f);
}else{
e.addEventListener(t,f,false);
}
arguments.callee.event.push(f);
return arguments.callee.event.length-1;
}
sx.event.removeevent=function(e,t,i){
if(e.detachEvent){
e.detachEvent("on"+t,sx.event.addevent.event[i]);
}else{
e.removeEventListener(t,sx.event.addevent.event[i],false);
}
sx.event.addevent.event[i]=null;
}
sx.event.parseevent=function(e,t){
if (sx.comm.ver=="ie"){
e.fireEvent("on"+t);
}else{
var evt = document.createEvent("Events");
evt.initEvent(t, true, true);
e.dispatchEvent(evt);
}
}
sx.dom={};
sx.dom.text=function(e){
return this.e.innerText?this.e.innerText:this.e.innerHTML.replace(//<.*?/>/igm,"");
}
sx.dom.elementnodes=function(e,flag){
var temp=[];
var a=e.childNodes;
for(var i=0;i<a.length;i++){
if(a[i].nodeType==flag){
temp.push(a[i]);
}
}
return temp;
}
sx.dom.elementallnodes=function(e,flag){
var temp=[];
var a=e.getElementsByTagName("*");
for(var i=0;i<a.length;i++){
if(a[i].nodeType==flag){
temp.push(a[i]);
}
}
return temp;
}
sx.dom.xpath=function(e,mode){
p=e.cloneNode(true);
var s=p.getElementsByTagName("script");
for(var i=0;i<s.length;i++)
p.replaceChild(s[i].cloneNode(false),s[i]);
var html=p.outerHTML.replace(//=(?!"|')(.*?)(?=https://www.jb51.net/s|>)/ig,"=https://www.jb51.net/"$1/"");
if(window.ActiveXObject){
var x=new ActiveXObject("Msxml2.DOMDocument");
x.async=false;
x.loadXML("<?xml version=https://www.jb51.net/"1.0/" encoding=https://www.jb51.net/"gb2312/" ?>"+html);
}else{
var oParser = new DOMParser();
//alert(html);
var x = oParser.parseFromString(html,"text/xml");
//alert(x.documentElement.tagName);
}
var div=x.selectNodes(mode);
//alert(div.length);
var temp=[];
var a1=x.selectNodes(e.tagName.toUpperCase()+"//*");
//alert(a1.length);
var all=e.getElementsByTagName("*");
//alert(all.length);
var i1=0;
for(i=0;i<a1.length;i++){
//alert(i);
if(a1[i]==div[i1]){
temp.push(all[i]);
i1++;
}
}
x=null;
return temp;
}
sx.dom.left=function(e){
if(document.getBoundingClientRect){
return e.getBoundingClientRect().left;
}else{
var a=e;
var left=0;
while(a){
left+=a.offsetLeft;
a=a.offsetParent;
}
return left;
}
}
sx.dom.top = function(e){
if(document.getBoundingClientRect){
return e.getBoundingClientRect().top;
}else{
var a=e;
var top=0;
while(a){
top+=a.offsetTop;
a=a.offsetParent;
}
return top;
}
}
sx.dom.getstyle=function(e,prop){
if(e.currentStyle){
return e.currentStyle[prop];
}else{
return document.defaultView.getComputedStyle(e,null).getPropertyValue(prop);
}
}
sx.dom.setstyle=function(e,data){
for(var i in data){
e.style[i]=data[i];
}
}
advance.js：
var $=function(id){
return document.getElementById(id);
}
edit.js：
复制代码 代码如下: