Javascript DOM onfocus Event work with onblur event

Introduction

Using "onfocus" together with the "onblur" event:

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.

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<!DOCTYPE html>
<html>
<body>
Enter your name: <input type="text" id="myInput" onfocus="focusFunction()" onblur="blurFunction()">

<script>
function focusFunction() {/*from www .  ja v a  2 s.c  o m*/
  // 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>
</html>



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