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leomastoras/keySequence

Created April 5, 2018 08:27
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keySequence
const keySequence = ['l','o','l'];
let userInput = new Array( keySequence.length );
window.addEventListener( 'keydown', ( { key } ) => {
userInput = [ ...userInput.slice( 1 ), key ];
if ( keySequence.every( ( v, k ) => v === userInput[ k ] ) ) {
alert( 'Yatta!' );
}
} );
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