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Alex Rivera
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Here is a snippet of JavaScript code from a tutorial I was working with. I don’t understand why it doesn’t end with a final else clause; I thought that was a rule. var curScene = 0; function changeScene(decision) { var message = ""; if(curScene == 1) { message = " welcome"; } else if (curScene == 2) { message = " this is scene two"; } else if (curScene == 3) { message = " this is scene three"; } document.getElementById("sceneimg").src = "scene" + curScene + ".png"; if(message != ""){ alert(message); } }
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