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biologyscience/a.js

Created August 3, 2022 15:56
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send info with events
Raw
a.js
const a = document.getElementById('a');
const aVal = parseInt(a.value);
const myEvent = new CustomEvent('myEvent', {detail: aVal});
document.dispatchEvent(myEvent);
Raw
b.js
document.addEventListener('myEvent', (data) =>
{
const b = document.getElementById('b');
const aVal = data.detail;
b.value = aVal + 5;
});
Raw
file.html
<html>
<head>
<script src="a.js" defer></script>
<script src="b.js" defer></script>
</head>
<body>
<input id="a" type="text" value="10">
<input id="b" type="text">
</body>
</html>
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