Window Load Event Demo

When this page finishes loading, the demo displays an alert and then focuses and selects the textbox containing plus2net.

Demo textbox

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Return to Tutorial on Window Load

Complete JavaScript Source

function myCode() {
  alert('Alert inside myCode function');
  const textValue = document.getElementById('t2');
  textValue.focus();
  textValue.select();
}

window.addEventListener('load', myCode);

Complete HTML Source

<form name="form1" method="post" action="">
  <label for="t2">Demo textbox</label>
  <input type="text" name="t1" value="plus2net" id="t2">
</form>