how to press enter key programmatically in javascript

how to press enter key programmatically in javascript triggers 3 keyboard events keydown, keypress, or keyup. with Trigger Eneter key Press and Trigger Eneter + Shift key Press.

how to press enter key programmatically in javascript

triggers 3 keyboard events keydown, keypress, or keyup. The js trigger function example an event (for example a click, a key pressed…).

javascript key pressed enter

$('.container').on('keydown', 'input', function(e) {
  if (e.keyCode === 13) {
    e.preventDefault();
  	e.stopImmediatePropagation();
    //Do your business logic...
  }
});

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HTML Code

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>how to press enter key programmatically in javascript - www.pakainfo.com</title>
</head>

<body>
    
    <div style="text-align: center;">
        <h2>Result</h2>
        <button>Trigger Enter Keypress</button>
    </div>

    <script src="main.js"></script>

</body>

</html>

Javascript Code – main.js
using document.document.body.dispatchEvent()

let btn = document.querySelector("button");
let result = document.querySelector("h2");

document.body.addEventListener("keydown", (e) => {
  if (e.key == "Enter") {
    result.innerText = "Enter Key Pressed";
  }

  if (e.key == "Enter" && e.shiftKey) {
    result.innerText = "Enter + Shift Key Pressed";
  }
});

btn.addEventListener("click", () => {
  
  const keyEvent = new KeyboardEvent("keydown", { key: "Enter"});
  
  // const keyEvent = new KeyboardEvent("keydown", { key: "Enter", shiftKey: true });

  document.body.dispatchEvent(keyEvent);
});

I hope you get an idea about how to press enter key programmatically in javascript.
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