GlobalEventHandlers.onreset
 The onreset property of the GlobalEventHandlers mixin is an event handler that processes reset events. 
 The reset event fires when the user clicks a reset button in a form (<input type="reset">). 
Syntax
target.onreset = functionRef;
Value
 functionRef is a function name or a function expression. The function receives an Event object as its sole argument. 
Example
 This example logs the current Event.timeStamp whenever you reset the form. 
HTML
<form id="form"> <label>Test field: <input type="text"></label> <br><br> <button type="reset">Reset form</button> </form> <p id="log"></p>
JavaScript
function logReset(event) { log.textContent = `Form reset! Time stamp: ${event.timeStamp}`; } const form = document.getElementById('form'); const log = document.getElementById('log'); form.onreset = logReset;
Result
Specifications
| Specification | 
|---|
| HTML Standard (HTML) # handler-onreset | 
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
| onreset | 1 | 12 | 9 | 9 | ≤12.1 | 1 | 1 | 18 | 9 | ≤12.1 | 1 | 1.0 | 
See also
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    https://developer.mozilla.org/en-US/docs/Web/API/GlobalEventHandlers/onreset