似乎无法上班,javascript

mez*_*tli -1 javascript calculator onclick

我是Javascript的新手,我按照一个简单的教程来创建一个新手计算器,但我无法让它工作,不明白为什么不.

它应该在警告框中显示结果,而不是.

任何帮助/输入都非常感谢,

谢谢

  <script type="text/javascript">
  var a,b, result;
 funciton setValues()
{
a = Number(document.getElementById("a").value);
b = Number(document.getElementById("b").value);
}
function sum() {
  setValues();
  result = a+b;
  alert("The sume is equel to "+result);
}
function rest()
{
    setValues();
    result = a-b;
    alert("The result is equal to "+result);
}
function mult()
{
    setValues();
    result = a*b;
    alert ("The result is equal to "+result);
}
function div()
{
    setValues();
    result = a/b;
    alert ("The result is equal to "+result);
}

  </script>
</head>

<body>
    <div>
        <input id="a" type="text"/>
        <input id="b" type="text"/>
        <button type="button" onclick="sum()">+</button>
        <button type="button" onclick="rest()">-</button>
        <button type="button" onclick="mult()"> *</button>
        <button type="button" onclick="div()"> /</button>

    </div>


</body>
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rit*_*ITW 5

拼写功能funciton setValues()不正确.

此外,onclick的拼写错误.

Line 39:<button type="button" onlcick="sum()">+</button>
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这是唯一的错误,其余的代码是完美的.