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<!DOCTYPE html> <html> <head> <style> div { border: 1px solid black; margin: 5px; } </style> </head> <body> <div id="myDIV"> <p>First p element in div (index 0).</p> <p>Second p element in div (index 1).</p> <p>Third p element in div (index 2).</p> </div> <p>Click the button to add a background color to the second p element inside the div element.</p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { var x = document.getElementById("myDIV"); x.getElementsByTagName("P")[1].style.backgroundColor = "red"; } </script> </body> <!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_element_getelementsbytagname2 by HTTrack Website Copier/3.x [XR&CO'2014], Fri, 23 Jan 2015 08:28:39 GMT --> </html>
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