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js-Running Code Widgets online

Source: Internet
Author: User
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Principle: window.open () method, open a new blank page, and then paste the code in the text box through the DOM operation, write to the new code page,

Re-use the function of document.write (written in before the other all deleted, and written in the HTML code can be parsed.) ) to achieve the desired effect.

Window.Open opens a new page is also a browser object, also has document.write this method;.

1 <!DOCTYPE HTML>2 <HTML>3     <!--4 [email protected]5 Time: 2017-04-076 Description: Run the code gadget online7      -8     <Head>9         <MetaCharSet= "UTF-8">Ten         <title>Run code Online</title> One         <Metaname= "Author"content= "gjf_xing.org1^"/> A         <Metaname= "Description"content= "gadget to run code online"/> -         <Metaname= "Keywords"content= "Gadget, code run, run code, open method, New page, online debug"/> -     </Head> the     <Body> -         <textareaname=""rows= "+"cols= "a"ID= "txt"></textarea> -         <BR/> -         <inputtype= "button"name=""ID= "BTN"value= "Run Code" /> +     </Body> -     <Scripttype= "Text/javascript"> + window.onload= function(){ A             varOtxt=document.getElementById ("txt"), at obtn=document.getElementById ("btn"); - Obtn.onclick= function(){ -                 varW=window.open ("About:blank","_blank"); - W.document.write (otxt.value); -             }; -         }; in     </Script> - </HTML>

js-Running Code Widgets online

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