现在主要是
key.onclick = playNote;
和
function playNote()
{
var note = this.note;
var divConsole = document.getElementById('divConsole');
divConsole.innerHTML += note + " ; ";
}不能绑定,现在的运行结果是当我点击div时显示的是undefined
key.onclick = playNote;
和
function playNote()
{
var note = this.note;
var divConsole = document.getElementById('divConsole');
divConsole.innerHTML += note + " ; ";
}不能绑定,现在的运行结果是当我点击div时显示的是undefined
<head>
<title>音乐按键</title>
<link href="css/musicButton.css" rel=Stylesheet type="text/css" />
<script language=javascript type="text/javascript">
//var note;
function setColor()
{
var keyboard = document.getElementById('keyboard');
var divArray = keyboard.getElementsByTagName('div');
for(var i = 0 ; i < divArray.length ; i++)
{
var key = divArray[i];
var classes=(key.className).split(" ");
var note = classes[0];
key.note = note;
alert(note);
key.onclick = playNote;
}
}
function playNote()
{
var note = event.srcElement.note;
var divConsole = document.getElementById('divConsole');
divConsole.innerHTML += note + " ; ";
}
</script>
</head>
<body onload="setColor();">
<div id=keyboard>
<div style="height:40;width:40" class="do MusicButton">1</div>
<div style="height:40;width:40" class="re MusicButton">2</div>
<div style="height:40;width:40" class="mi MusicButton">3</div>
<div style="height:40;width:40" class="fa MusicButton">4</div>
<div style="height:40;width:40" class="so MusicButton">5</div>
<div style="height:40;width:40" class="la MusicButton">6</div>
<div style="height:40;width:40" class="xi MusicButton">7</div>
</div>
<div id=divConsole style="height:400;width:400" ></div>
</body>
</html>