JS implementation Run, select all, copy, save code Program

HTML code

The code is as follows

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<textarea name= "Content" id= "Content" > Here's where you want to run js,html code </textarea> <input type= "button" Name= "Submit" value= Run Code "onclick=" RunCode (' content ')/> <input type= "button" Name= "Submit3" value= "All selected Code" onclick= "$ (' content '). Select ();"/> <input type= "button" Name= "SUBMIT4" value= "Copy Code" onclick= "ocopy (' content ')/> <input type= "button" Name= "Submit2" value= "Save Code" onclick= "Savecode (' content ')/>

JS Code

The code is as follows

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<script> var lang = new Array (); var useragent = Navigator.userAgent.toLowerCase (); var Is_opera = useragent.indexof (' opera ')!=-1 && opera.version (); var Is_moz = (Navigator.product = = ' Gecko ') && useragent.substr (Useragent.indexof (' Firefox ') + 8, 3); var Is_ie = (useragent.indexof (' MSIE ')!=-1 &&!is_opera) && useragent.substr (' Useragent.indexof ' ) + 5, 3); Array.prototype.push = function (value) { This[this.length] = value; return this.length; } function $ (objname) {return document.getElementById (objname);} function RunCode (objname) { var winname = window.open ("," _blank ","); var obj = $ (objname); Winname.document.open (' text/html ', ' replace '); Winname.opener = NULL//Prevent code to talk about page modification Winname.document.write (Obj.value); Winname.document.close (); } function Savecode (objname) { var winname = window.open (', ' _blank ', ' top=10000 '); Winname.document.open (' text/html ', ' replace '); var obj = $ (objname); Winname.document.write (Obj.value); Winname.document.execCommand (' SaveAs ', ', ', ' code.htm '); Winname.close (); } function Ocopy (objname) { var obj = $ (objname); Obj.select (); Js=obj.createtextrange (); Js.execcommand ("Copy"); Alert ("Www.111cn.net hint: The code has been copied successfully!") "); } </script>