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Solution to the failure of the onforminput event of the output tag in HTML5
- 黄舟Original
- 2017-07-03 10:43:223550browse
In this example on the official website, the onforminput event seems not to be executed, the code: 100db36a723c770d327fc0aef2ce13b1
<head>
<script type="text/javascript">
function resCalc()
{
numA=document.getElementById("num_a").value;
numB=document.getElementById("num_b").value;
document.getElementById("result").value=Number(numA)+Number(numB);
}
</script>
</head>
<body>
<p>使用 output 元素的简易计算器：</p>
<form onsubmit="return false">
<input id="num_a" /> +
<input id="num_b" /> =
<output id="result" onforminput="resCalc()"></output>
</form>
</body>Please give me some advice
Then I will give you some advice, the code has been The test passed, haha, the html5 tag, the core is not js.
Principle: Change output to input, and then use the onClick event.
To put it simply, change d22c446ec904399785cd0c4bfd85cff9d76c8de0b204cd1b17c9571b0bbcceb6 to 0a0c2e16b8e9477590d4968872e55237 That's it. Then after running, click directly on the last input box. Be sure to click on the input box.
<!DOCTYPE HTML>
<html>
<head>
<script type="text/javascript">
function resCalc()
{
numA=document.getElementById("num_a").value;
numB=document.getElementById("num_b").value;
document.getElementById("result").value=Number(numA)+Number(numB);
}
</script>
</head>
<body>
<p>使用 output 元素的简易计算器：</p>
<form onsubmit="return false">
<input id="num_a" /> +
<input id="num_b" /> =
<input id="result" onclick="resCalc()" />
</form>
</body>
</html>I'm just confused about why the example on the official website doesn't work.
The code is wrong and the event method is wrong.
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