点击弹出下拉框

xiaoxiao2021-02-27  207

<TABLE > <tr οnclick="show()" id="222"><TD id="333">test1</TD><TD>test2</TD><TD>test3</TD><TD>test4</TD></tr> <TR id="11111111" > <TD id="33333333333333" >11</TD><TD>22</TD><TD>33</TD><TD>44</TD> </TR> </TABLE> <SCRIPT LANGUAGE="JavaScript"> <!-- var st = "<select οnchange='gradeChange()'><option>111</option><option>222</option><option>test3</option><option>test4</option></select>";  function gradeChange(){         var objS =event.srcElement;         //var id=event.parent();         var a=objS.parentNode.parentNode;         alert(a.id);        // objS.innerHTML=a.id+"";         objS.parentNode.innerHTML=a.id;         var grade = objS.options[objS.selectedIndex].text;         if (grade=="test3")         alert(grade);         //var grade = objS.options[objS.selectedIndex].grade;        // alert(grade);        } function show(){ if (event.srcElement.tagName!="TD") return; hide(); var elm = event.srcElement; var st1 = "<option>"+elm.innerText+"</option>"; var st2 = "<option selected>"+elm.innerText+"</option>"; elm.innerHTML = st.replace(st1,st2); event.cancelBubble=true; } function hide(){ } //--> </SCRIPT>
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