javascript实现节点（div）名称编辑_javascript技巧

function changeName(noteTxtId){
var noteTxt = document.getElementById(noteTxtId);
noteTxt.style.display= "none";//.style.display= "block"
var div = noteTxt.parentNode;
if(!document.getElementById("noteInput")){
var text=document.createElement("input");
text.type="text";
text.id="noteInput";
text.style.width=getStyle(noteTxt,'width');
text.style.height=getStyle(noteTxt,'height');
text.style.marginTop=getStyle(noteTxt,'marginTop');
text.style.textAlign=getStyle(noteTxt,'textAlign');
text.value=noteTxt.innerHTML;
div.appendChild(text);
text.select();
text.onblur=function(){
noteTxt.style.display= "block";
noteTxt.innerHTML=text.value;
//text.style.display= "none";
div.removeChild(text);
}
}
}
//获得css文件中的样式
function getStyle(obj, attr)
{
if(obj.currentStyle)
{
return obj.currentStyle[attr]; //IE
}else{
return getComputedStyle(obj,false)[attr]; //FF
}
}

.img_1 {
width: 80px;
height:70px;
position:absolute;
}
.noteText {
width:80px;
height:15px;
text-align:center;
margin-top:70px;
word-break:break-all;
}