Add running effect to alternative web pages

<textarea id="runcode45876"><Table Style = "margin-top: 12px; Background: white; margin-bottom: 12px; width: 90% "cellspacing =" 0 "bordercolordark =" white "cellpadding =" 0 "align =" center "bordercolorlight =" # bababa "border =" 1 "> <tbody> <tr height = "22"> <TD style = "padding-left: 6px; Background: # d4d0c8 "> ◇ modify the following <SPAN class = 'wp _ keywordlink '> Code </span>-> <u style =" cursor: pointer "> run the following JS </u> </TD> </tr> <tr valign =" TOP "Height =" 90 "> <TD Style = "padding-Right: 6px; padding-left: 6px; padding-bottom: 6px; Word-break: Break-all; padding-top: 6px "name =" # jscode "> <SCRIPT> <br/> alert (" Modify me ~~ ") <Br/> </SCRIPT> </TD> </tr> </tbody> </table> <p></textarea>
[Ctrl + A select all Note: If you need to introduce external JS, You need to refresh it to execute]

The running result from script8 is good,