程序博客网 > mac更换输入法

希望用鼠标和键盘选中表格的研究

来源：互联网发布：mac更换输入法编辑：程序博客网时间：2024/05/01 11:30

<html>
<body>
<table bgcolor="#FFFFFF">
<tr>
      <td id="td1"> click me!          </td>
      <td id="td2">*********************</td>
      <td id="td3"> click me too!      </td>
</tr>
<tr>
      <td id="td4"> aaaaa </td>
</tr>
</table>
</body>
</html>

<script language="JavaScript">
var count;
var selectObject = document.getElementsByTagName("td");
alert(selectObject.length);
for(var i=0;i<selectObject.length;i++) {

selectObject [i].onclick=doClick;
count = i;
selectObject [i].onkeydown=doKeyDown;
}
//selectObject.onclick=doClick;
var oldObj;
var obj;
var nextObj;

function doClick() {
obj = event.srcElement;
alert(obj);
if(typeof oldObj != "object") {
oldObj = obj;
} else {
clearStyle(oldObj);
}
addStyle(obj);
}

function clearStyle(oldObj) {
oldObj.style.borderLeft      =   "";
oldObj.style.borderRight     =   "";
oldObj.style.borderTop       =   "";
oldObj.style.borderBottom    =   "";
oldObj.style.padding         =   "";
oldObj.style.backgroundColor =   "";
oldObj   =   obj;
}

function addStyle(obj) {
alert("a");
obj.style.borderLeft      =   "1px   solid   buttonhighlight";
obj.style.borderRight     =   "1px   solid   buttonshadow";
obj.style.borderTop       =   "1px   solid   buttonhighlight";
obj.style.borderBottom    =   "1px   solid   buttonshadow";
obj.style.padding         =   "1px";
obj.style.backgroundColor =   "#cccccc";
oldObj = obj;
}
function addNextStyle(nextObj) {
nextObj.style.borderLeft      =   "1px   solid   buttonhighlight";
nextObj.style.borderRight     =   "1px   solid   buttonshadow";
nextObj.style.borderTop       =   "1px   solid   buttonhighlight";
nextObj.style.borderBottom    =   "1px   solid   buttonshadow";
nextObj.style.padding         =   "1px";
nextObj.style.backgroundColor =   "#cccccc";
oldObj = nextObj;
}
function doKeyDown() {
alert("count="+count);
alert("window.event=" + window.event);
var a = window.event.keyCode;
if(a == 39) {
  alert(selectObject [count+1]);
  nextObj = selectObject [count];
  alert (nextObj);
  clearStyle(oldObj);
  addNextStyle(nextObj);
}
}

</script>

希望用鼠标和键盘控制TD,结果鼠标成功了,键盘取不到触发事件的对象,备忘一下.

mac更换输入法

mac更换输入法

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