一个的简易文本编辑器源码_javascript技巧

来源：步遥情感网

一个简易文本编辑器，自己学习的第一个编辑器程序，共享一下，可以学习一下。

<HTML> <HEAD> <TITLE>ubb</TITLE> </HEAD> <BODY> <FONT face=""> <table width="300" cellspacing="0" cellpadding="1" border="0" bgcolor="buttonface"> <tr> <td height="20px" width="18px" onclick='doAction("Bold")' onMouseDown="DoDown(e_bold );" onMouseOver="On_Mouseover(e_bold) ;" onmouseout="On_Mouseout(e_bold);"> </td> <td height="20px" width="18px" onclick='doAction("Italic")' onMouseDown="DoDown(e_italic);" onMouseOver="On_Mouseover(e_italic) ;" onmouseout="On_Mouseout(e_italic);"> </td> <td width="2px"> </td> </tr> <tr> <td colspan="3"> </td> </tr> </table> //initialize the iframe function window.onload() { Editor.document.designMode = "On"; Editor.document.open() ; Editor.document.write("") ; Editor.document.close(); Editor.focus (); } function On_Mouseover(thisTD) { thisTD.style.borderLeft = "1px solid buttonhighlight" ; thisTD.style.borderRight = "1px solid buttonshadow"; thisTD.style.borderTop = "1px solid buttonhighlight"; thisTD.style.borderBottom = "1px solid buttonshadow"; } function On_Mouseout(thisTD) { thisTD.style.borderLeft = "" ; thisTD.style.borderRight = ""; thisTD.style.borderTop = ""; thisTD.style.borderBottom = ""; } function DoDown(thisTD) { thisTD.style .borderLeft = "1px solid buttonshadow"; thisTD.style .borderRight = "1px solid buttonhighlight"; thisTD.style .borderTop = "1px solid buttonshadow"; thisTD.style .borderBottom = "1px solid buttonhighlight"; thisTD.style .paddingTop = "2px"; thisTD.style .paddingLeft = "2px"; thisTD.style .paddingBottom = "0px"; thisTD.style .paddingRight = "0px"; } function doAction(str) { var m_objTextRange = Editor.document.selection.createRange(); m_objTextRange.execCommand(str) ; } </ script> </BODY> </HTML>
[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]