javascript detect arrow key press
//detecting arrow key presses
document.addEventListener('keydown', function(e) {
switch (e.keyCode) {
case 37:
alert('left');
break;
case 38:
alert('up');
break;
case 39:
alert('right');
break;
case 40:
alert('down');
break;
}
});arrow function javascript
const power = (base, exponent) => {
let result = 1;
for (let count = 0; count < exponent; count++) {
result *= base;
}
return result;
};
//if the function got only one parameter
const square1 = (x) => { return x * x; };
const square2 = x => x * x;
// empty parameter
const horn = () => {
console.log("Toot");
};Copyright © 2021 Codeinu
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