Posted in Javascript onSeptember 04, 2007
<body margin="0">
</body>
<script>
function Console(width,height,command)
{
var container=document.createElement("div");
this.container=container; container.runtimeStyle.width=(width);
container.runtimeStyle.height=(height);
container.runtimeStyle.margin="0px";
container.runtimeStyle.backgroundColor="black";
container.runtimeStyle.fontFamily="Terminal";
container.runtimeStyle.color="white";
container.runtimeStyle.fontSize="16px";
this.output=document.createElement("div");
container.appendChild(this.output);
container.innerHTML+="js>"
this.input=document.createElement("input");
container.appendChild(this.input);
this.input.runtimeStyle.backgroundColor="black";
this.input.runtimeStyle.borderWidth="0px";
this.input.runtimeStyle.color="white";
this.input.runtimeStyle.fontFamily="Terminal";
this.input.runtimeStyle.width="90%"
this.input.runtimeStyle.fontSize="16px"
this.input.runtimeStyle.position="relative";
this.input.runtimeStyle.top="2px";
command=command||function(str)
{
var e;
try{
var r=eval(str);
} catch(e) {
return "Bad command";
}
return r;
}
this.input.command=function()
{
this.parentNode.childNodes[0].innerHTML+=this.value+'<br/>'
this.parentNode.childNodes[0].innerHTML+=(command(this.value)+"<br/>")
}
this.input.onkeyup=new Function("e","e=e||event;if(e.keyCode!=13)return;this.command();this.value='';");
this.appendto=function(parent)
{
parent.appendChild(this.container);
}
container=null;
}
//var db=new DrawingBoard(100,100)
//db.drawLine([5,5],[36,44],"red")
//document.body.appendChild(db.container);
var c=new Console("100%","100%");
c.appendto(document.body);
</script> 一个用js实现控制台控件的代码
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