乡下人产国偷v产偷v自拍,国产午夜片在线观看,婷婷成人亚洲综合国产麻豆,久久综合给合久久狠狠狠9

  • <output id="e9wm2"></output>
    <s id="e9wm2"><nobr id="e9wm2"><ins id="e9wm2"></ins></nobr></s>

    • 分享

      用javascript實(shí)現(xiàn)不按Ctrl實(shí)現(xiàn)Multiple Select多選

       WindySky 2009-06-24
      <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
      <html>
      <head>
      <title> New Document </title>
      <meta name="Generator" content="EditPlus">
      <meta name="Author" content="">
      <meta name="Keywords" content="">
      <meta name="Description" content="">
      </head>
      <body>
      <select id="oselect" name="cars" size="10" multiple>
      <option value="BMW">寶馬</option>
      <option value="Porsche">保時(shí)捷</option>
      <option value="Benz">奔馳</option>
      <option value="Santana">桑塔納</option>
      <option value="LK">林肯</option>
      <option value="?">標(biāo)志</option>
      <option value="Bus">大公共</option>
      </select>
      <input type="button" id="btnShowSelected" value="查看選中項(xiàng)索引">
      </body>
      <script language="JavaScript">
      <!--
      String.prototype.trimEnd = function(trimString) {
      var re = new RegExp(trimString+"*$", "g");
      return this.replace(re, "");
      };
      Array.prototype.indexOf = function(itemValue) {
      var nIndex = -1;
      for (var i=0; i<this.length; i++)
      {
      if (this[i] == itemValue)
      nIndex = i;
      }
      return nIndex;
      };
      var oSpan = document.getElementById("spaOutput");
      var oSele = document.getElementById("oSelect");
      var oBtn = document.getElementById("btnShowSelected");
      oBtn.onclick = function() {
      alert(getSelectedIndexes(oSele));
      };
      function getSelectedIndexes(oSele)
      {
      var sSelectedIndexes = "";
      var separator = ",";
      for (var i=0; i<oSele.options.length; i++)
      {
      if (oSele.options[i].selected)
      sSelectedIndexes += i.toString() + separator;
      }
      if (sSelectedIndexes == "")
      return new Array(0);
      else
      return sSelectedIndexes.trimEnd(separator).split(separator);
      }
      oSele.onclick = function() {
      this.selectedIndexes = getSelectedIndexes(this);
      // Debug
      //oSpan.innerHTML += "
      " + "onclick " + this.selectedIndexes;
      if (this.selectedIndexes.length == 1)
      {
      var nSelectedIndex = parseInt(this.selectedIndexes[0]);
      if (!isNaN(nSelectedIndex))
      this.options[nSelectedIndex].selected = false;
      }
      };
      oSele.onchange = function() {
      // Debug
      //oSpan.innerHTML += "
      " + "onchange " + this.selectedIndex;
      var j = this.selectedIndexes.indexOf(this.selectedIndex.toString());
      if (j > -1)
      {
      this.options[this.selectedIndex].selected = false;
      this.selectedIndexes.splice(j, 1);
      }
      if (this.selectedIndexes.length > 0)
      {
      var nSelectedIndex;
      for (var i=0; i<this.selectedIndexes.length; i++)
      {
      nSelectedIndex = parseInt(this.selectedIndexes[i]);
      this.options[nSelectedIndex].selected = true;
      }
      }
      };
      //-->
      </script>
      </html>

        本站是提供個(gè)人知識(shí)管理的網(wǎng)絡(luò)存儲(chǔ)空間,所有內(nèi)容均由用戶發(fā)布,不代表本站觀點(diǎn)。請(qǐng)注意甄別內(nèi)容中的聯(lián)系方式、誘導(dǎo)購買等信息,謹(jǐn)防詐騙。如發(fā)現(xiàn)有害或侵權(quán)內(nèi)容,請(qǐng)點(diǎn)擊一鍵舉報(bào)。
        轉(zhuǎn)藏 分享 獻(xiàn)花(0

        0條評(píng)論

        發(fā)表

        請(qǐng)遵守用戶 評(píng)論公約

        類似文章 更多