基于JavaScript实现复选框的全选和取消全选

        液体

        粉末

        仿牌

        纯电池

        危险品

        配套电池

    /*全选或取消全选*/

    function selectAllDels(){

      var allWp=document.getElementsByName("wp");

      var selOrUnsel=false;

      for(var i=0; i

        if(allWp[i].checked){

          selOrUnsel=true;

          break;

        }

      }

      if (selOrUnsel){

        allUnchk(allWp);

      }else{

        allchk(allWp);

      }

    }

    function allchk(allWp){

      for(vari=0; i

        allWp[i].checked=true;

      }

    }

    function allUnchk(allWp){

      for(vari=0; i

        allWp[i].checked=false;

      }

    }