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Green Planet
All is well
Red Planet
Nothing to report
Blue Planet
All systems A-ok
SAMPLE CODE <script> <Style> .redtext { color: red; } </style> function setTheAtt(){ var planet = document.getElementById("greenplanet"); planet.innerHTML = "Red Alert: hit by phaser fire!"; planet.setAttribute("class", "redtext"); } </script> <h3> Green Planet</h3> <p id="greenplanet">All is well</p> <h3> Red Planet</h3> <p id="redplanet">Nothing to report</p> <h3> Blue Planet</h3> <p id="blueplanet">All systems A-ok</p> <input type="button" value="Change Attribute" onClick="setTheAtt();">