detect when a key is pressed javascript code example

Example 1: how to check if enter is pressed javascript

$('#usersearch').keydown(function(e){
    if(e.keyCode === 13){
            alert("Enter was pressed ");
     }  
});

Example 2: js when key is pressed

document.addEventListener("keypress", function(event) {
	// do stuff
});

Example 3: how to detect a keypress in javascript

window.addEventListener("keydown", (event) => {
	console.log(event.key);
});

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