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<!DOCTYPE html>
<html>
<body>
​
<p>When you enter the input field, a function is triggered which sets the background color to yellow. When you leave the input field, a function is triggered which sets the background color to red.</p>
​
Enter your name: <input type="text" id="myInput" onfocus="focusFunction()" onblur="blurFunction()">
​
<script>
function focusFunction() {
  // Focus = Changes the background color of input to yellow
  document.getElementById("myInput").style.background = "yellow";
}
​
function blurFunction() {
  // No focus = Changes the background color of input to red
  document.getElementById("myInput").style.background = "red";
}
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_onblur_onfocus by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:02:21 GMT -->
</html>
​
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