错误：未捕获TypeError：无法设置属性'innerHTML'为null [英] error: Uncaught TypeError: Cannot set property 'innerHTML' of null
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问题描述
当我尝试在chrome中运行该程序时，我继续收到错误未捕获TypeError：无法设置属性innerHTML为null。我现在不在做错事，任何帮助都不会感激。感谢高级。
<！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 = [感谢点击，继续点击，再一次点击，为什么你继续点击我，停止点击我！
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\ /> 中;
}
< / script>
< / head>
< body>
< form name =form1>
< input type =buttonid =buttonvalue =clickonClick =thing（'sound.mp3'）/>
< input type =textid =textvalue =hey/>
< / form>
< div id =sound>
< p>
< / p>
< / div>
< / body>
< / html>
解决方案
等待加载窗口：
window.onload = function（）
{
// yourJSCodeHERE
}
或在< / body> 标签之后移动您的JS。 / p>
I keep on getting the error "Uncaught TypeError: Cannot set property 'innerHTML' of null" when I try to run this program in chrome. I do not now what I am doing wrong, and and any help would be appreciated. Thanks in advanced.
<!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>
解决方案
Wait for the window to load:
window.onload = function()
{
//yourJSCodeHERE
}
or move your JS after the </body> tag.
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