Automatically Play Beep Sound on Successful Scan
When using the QR scanner, automatically play beep after a successful scan.
We recommend installing this snippet with our free Custom Javascript plugin:
Instructions
Code
Filename: gpqr-play-beep-on-scan.js
/**
* Gravity Perks // GP QR Code // Automatically Play Beep Sound on Successful Scan
* https://gravitywiz.com/documentation/gravity-forms-qr-code/
*
* When using the QR scanner, automatically play beep after a successful scan.
*
* Instruction Video: https://www.loom.com/share/7f413231517b423eba3ccc1bf3055b40
*
* We recommend installing this snippet with our free Custom Javascript plugin:
* https://gravitywiz.com/gravity-forms-code-chest/
*/
function playBeep() {
var context = new( window.AudioContext || window.webkitAudioContext )();
var oscillator = context.createOscillator();
var gainNode = context.createGain();
oscillator.type = "square"; // Square wave for a more scanner-like sound.
oscillator.frequency.setValueAtTime( 800, context.currentTime ); // Frequency in Hz.
gainNode.gain.setValueAtTime( 0.5, context.currentTime ); // Adjust volume.
oscillator.connect( gainNode );
gainNode.connect( context.destination );
oscillator.start();
// Beep duration in milliseconds.
setTimeout( () => {
oscillator.stop();
}, 100 );
}
gform.addAction( 'gpqr_on_scan_success', function( decodedText, decodedResult, gpqr ) {
playBeep();
} );