1.實現點擊按鈕，復制文本框中的的內容
<script type="text/javascript">function copyUrl2(){var Url2=document.getElementById("biao1");Url2.select(); // 選擇對象document.execCommand("Copy"); // 執行瀏覽器復制命令alert("已復制好，可貼粘。");}</script><textarea cols="20" rows="10" id="biao1">用戶定義的代碼區域</textarea><input type="button" onClick="copyUrl2()" value="點擊復制代碼" />2.復制專題地址和 url 地址，傳給 QQ/MSN 上的好友
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>Js復制代碼</title></head><body><p><input type="button" name="anniu1" onClick='copyToClipBoard()' value="復制專題地址和url地址，傳給QQ/MSN上的好友"><script language="javascript">function copyToClipBoard(){var clipBoardContent="";clipBoardContent+=document.title;clipBoardContent+="";clipBoardContent+=this.location.href;window.clipboardData.setData("Text",clipBoardContent);alert("復制成功，請粘貼到你的QQ/MSN上推薦給你的好友");}</script>3.直接復制 url
<input type="button" name="anniu2" onClick='copyUrl()' value="復制URL地址"><script language="javascript">function copyUrl(){var clipBoardContent=this.location.href;window.clipboardData.setData("Text",clipBoardContent);alert("復制成功!");}</script>4.點擊文本框時，復制文本框里面的內容
<input onclick="oCopy(this)" value="你好.要copy的內容!"><script language="javascript">function oCopy(obj){obj.select();js=obj.createTextRange();js.execCommand("Copy")alert("復制成功!");}</script>5.復制文本框或者隱藏域中的內容
<script language="javascript">function CopyUrl(target){target.value=myimg.value;target.select(); js=myimg.createTextRange(); js.execCommand("Copy");alert("復制成功!");}function AddImg(target){target.value="[IMG]"+myimg.value+"[/ img]";target.select();js=target.createTextRange(); js.execCommand("Copy");alert("復制成功!");}</script>6.復制 span 標記中的內容
<script type="text/javascript"></script><br /><br /><script type="text/javascript">function copyText(obj) {var rng = document.body.createTextRange();rng.moveToElementText(obj);rng.scrollIntoView();rng.select();rng.execCommand("Copy");rng.collapse(false);alert("復制成功!");}</script>7.瀏覽器兼容 copyToClipboard("拷貝內容")
function copyToClipboard(txt) { if (window.clipboardData) { window.clipboardData.clearData(); clipboardData.setData("Text", txt); alert("復制成功！"); } else if (navigator.userAgent.indexOf("Opera") != -1) { window.location = txt; } else if (window.netscape) { try { netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); } catch (e) { alert("被瀏覽器拒絕！/n請在瀏覽器地址欄輸入'about:config'并回車/n然后將 'signed.applets.codebase_principal_support'設置為'true'"); } var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard); if (!clip) return; var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable); if (!trans) return; trans.addDataFlavor("text/unicode"); var str = new Object(); var len = new Object(); var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString); var copytext = txt; str.data = copytext; trans.setTransferData("text/unicode", str, copytext.length * 2); var clipid = Components.interfaces.nsIClipboard; if (!clip) return false; clip.setData(trans, null, clipid.kGlobalClipboard); alert("復制成功！"); } }js實現但擊自動選中文本
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>自動選擇文本框/編輯框中的文字</title><script type="text/javascript">function Myselect_txt(){ if (document.form1.title.focus){ document.form1.title.select();}}function Myselect_txtarea(){ if (document.form1.content.focus){ document.form1.content.select();}}</script></head><body style="font-size:12px"><table width="443" height="97" border="0" align="center" cellpadding="0" cellspacing="0" bgcolor="#f9f9f9"> <form name="form1"> <tr bgcolor="#214994"> <td height="25" colspan="2"><div align="center"><font color="#FFFFFF">新聞信息修改</font></div></td> </tr> <tr> <td width="80" height="28"><div align="right"><font color="#214994">新聞標題：</font></div></td> <td width="363"><input name="title" type="text" size="50" value="今日新聞頭條" onClick="Myselect_txt()"></td> </tr> <tr> <td height="20"><div align="right"><font color="#214994">新聞內容：</font></div></td> <td rowspan="2"><textarea name="content" cols="50" rows="6" onClick="Myselect_txtarea()">今日,據相關方面報道,...</textarea></td> </tr> <tr> <td height="10"> </td> </tr> <tr> <td height="32" colspan="2"> <div align="center"> <input name="add" type="submit" id="add" value="添加"> <input name="Submit" type="reset" value="重置"> </div></td> </tr> </form></table></body></html>當前最常用的最簡潔還是這個，代碼少，減少頁面加載速度
function copyToClipboard(txt) { if(window.clipboardData){ window.clipboardData.clearData(); window.clipboardData.setData("Text", txt); alert('復制成功！') }else{ alert('請手動復制！') } }到此介紹這么多了，希望大家多多關注，武林網以前的文章。
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