当我尝试在chrome中运行此程序时,我一直在收到错误“Uncaught TypeError:无法设置属性'innerHTML'为null”。我现在不做什么我做错了,任何帮助,将不胜感激。错误:未捕获TypeError:无法设置为null的属性'innerHTML'
<!DOCTYPE html>
<html>
<head>
</head>
<script>
var x = "hey";
var counter = 1;
var button = document.getElementById("button");
var div = document.getElementById("box");
var text = document.getElementById("text");
var sound = document.getElementById("sound");
var array=[ "thanks for clicking", "keep on clicking", "click one more time", "why do you keep on clicking me?", "stop clicking me!"];
function thing(file){
var y = array[Math.floor(Math.random() * array.length)];
if (x == y){
while (y == x){
var y = array[Math.floor(Math.random() * array.length)];
}
}
form1.text.value=y;
x = y;
sound.innerHTML = "<embed src=\""+file+"\"hidden=\"true\"autostart=\"true\" loop=\"false\"/>";
}
</script>
</head>
<body>
<form name="form1">
<input type="button" id="button" value="click" onClick="thing('sound.mp3')" />
<input type="text" id="text" value="hey" />
</form>
<div id="sound">
<p>
</p>
</div>
</body>
</html>
您的脚本在加载'
'之前执行。因此,您尝试访问的元素都不存在,并且'getElementById'返回'null'。 – 0x499602D2