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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> </html>