var script = document.createElement("script");
script.type = "text/javascript";
script.src = "demo.js";
document.body.appendChild(script);
<script type="text/javascript" src="demo.js"></script>
var script = document.createElement("script");
script.type = "text/javascript";
script.appendChild(document.createTextNode("function fn1(){alert('hello wolrd!')} fn1();"));
document.body.appendChild(script);
<script type="text/javascript">
function fn1(){alert('hello wolrd!')} fn1();
</script>
var script = document.createElement("script");
script.type = "text/javascript";
script.text("function fn1(){alert('hello wolrd!')} fn1();");
document.body.appendChild(script);
var script = document.createElement("script");
script.type = "text/javascript";
var code = "function fn1(){alert('hello wolrd!')} fn1();";
try{
script.appendChild(document.createTextNode(code));
}catch(e){
script.text = code;
}
function loadScript(code){
var script = document.createElement("script");
script.type = "text/javascript";
try{
script.appendChild(document.createTextNode(code));
}catch(e){
script.text = code;
}
document.body.appendChild(script);
}
loadScript("function fn1(){alert('hello wolrd!')}");
var link = document.createElement("link");
link.rel = "stylesheet"
link.type = "text/css";
link.href = "styles.css";
var head = document.getElementsByTagName("head")[0];
var style = document.createElement("style");
style.type = "text/css";
style.appendChild(document.createTextNode("body{background:#f00;}"));
var head = document.getElementsByTagName("head")[0];
head.appendChild(link);
<style type="text/css"> background:#f00; </style>
var style = document.createElement("style");
style.type = "text/css";
try{
style.appendChild(document.createTextNode("body{background:#f00;}"));
}catch(e){
style.styleSheet.cssText = "body{background:#f00;}";
}
function loadStyle(code){
var style = document.createElement("style");
style.type = "text/css";
try{
style.appendChild(document.createTextNode(code));
}catch(e){
style.styleSheet.cssText = code;
}
var head = document.getElementsByTagName("head")[0];
head.appendChild(style);
}
//创建表格
vatabldocument.createElement("table");
table.borde1;
table.widt"100%";
//创建tbody
vatboddocument.createElement("tbody");
table.appendChild(tbody);
//创建第一个表格行
tbody.insertRow(0);
tbody.rows[0].insertCell(0);
tbody.rows[0].cells[0].appendChild(document.createTextNode("单元1-1"));
tbody.rows[0].insertCell(1);
tbody.rows[0].cells[1].appendChild(document.createTextNode("单元2-1"));
//创建第二个表格行
tbody.insertRow(1);
tbody.rows[1].insertCell(0);
tbody.rows[1].cells[0].appendChild(document.createTextNode("单元1-2"));
tbody.rows[1].insertCell(1);
tbody.rows[1].cells[1].appendChild(document.createTextNode("单元2-2"));
//将表格添加到文档中
document.body.appendChild(table)
var divs = document.getElementsByTagName("div");
for(var i = 0; i < divs.length; i++){
var div = document.createElement("div");
document.body.appendChild(div);
}
var divs = document.getElementsByTagName("div");
for(var i = 0,len = divs.length; i < len; i++){
var div = document.createElement("div");
document.body.appendChild(div);
}
function sAlert(str){
var msgw,msgh,bordercolor;
msgw=400;//提示窗口的宽度
msgh=100;//提示窗口的高度
titleheight=25 //提示窗口标题高度
bordercolor="#c51100";//提示窗口的边框颜色
titlecolor="#c51100";//提示窗口的标题颜色
var sWidth,sHeight;
sWidth=screen.width;
sHeight=screen.height;
var bgObj=document.createElement("div");
bgObj.setAttribute('id','bgDiv');
bgObj.style.position="absolute";
bgObj.style.top="0";
bgObj.style.background="#cccccc";
bgObj.style.filter="progid:DXImageTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75";
bgObj.style.opacity="0.6";
bgObj.style.left="0";
bgObj.style.width=sWidth + "px";
bgObj.style.height=sHeight + "px";
bgObj.style.zIndex = "10000";
document.body.appendChild(bgObj);
var msgObj=document.createElement("div")
msgObj.setAttribute("id","msgDiv");
msgObj.setAttribute("align","center");
msgObj.style.background="white";
msgObj.style.border="1px solid " + bordercolor;
msgObj.style.position = "absolute";
msgObj.style.left = "50%";
msgObj.style.top = "50%";
msgObj.style.font="12px/1.6em Verdana, Geneva, Arial, Helvetica, sans-serif";
msgObj.style.marginLeft = "-225px" ;
msgObj.style.marginTop = -75+document.documentElement.scrollTop+"px";
msgObj.style.width = msgw + "px";
msgObj.style.height =msgh + "px";
msgObj.style.textAlign = "center";
msgObj.style.lineHeight ="25px";
msgObj.style.zIndex = "10001";
msgObj.style.position = "absolute";
var box=document.getElementById(str);
var title=document.createElement("h4");
title.setAttribute("id","msgTitle");
title.setAttribute("align","right");
title.style.margin="0";
title.style.padding="3px";
title.style.background=bordercolor;
title.style.filter="progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100);";
title.style.opacity="0.75";
title.style.border="1px solid " + bordercolor;
title.style.height="18px";
title.style.font="12px Verdana, Geneva, Arial, Helvetica, sans-serif";
title.style.color="white";
title.style.cursor="pointer";
title.onmousedown=function(){startDrag(this,'msgDiv')};
title.onmouseup=function(){stopDrag(this,'msgDiv')};
title.onmousemove=function(){drag('msgDiv')};
var closer=document.createElement("div");
closer.onclick=function(){
CloseReturn();
document.body.appendChild(box);
box.style.display = "none";
document.body.removeChild(bgObj);
document.getElementById("msgDiv").removeChild(title);
document.body.removeChild(msgObj);
};
closer.innerHTML="确定";
document.body.appendChild(msgObj);
document.getElementById("msgDiv").appendChild(title);
document.getElementById("msgTitle").appendChild(closer);
box.style.display="inline";
document.getElementById("msgDiv").appendChild(box);
ShowReturn();
}
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