Why isn't this javascript with else if working?
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Published on 2013-10-24T15:36:53Z
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2013/10/24
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I'm sorry I can't be any more specific - I have no idea where the problem is. I'm a total beginner, and I've added everything I know to add to the coding, but nothing happens when I push the button. I don't know at this point if it's an error in the coding, or a syntax error that makes it not work.
Basically I am trying to get this function "Rip It" to go through the list of Dewey decimal numbers, change some of them, and return the new number and a message saying it's been changed. There is also one labeled "no number" that has to return an error (not necessarily an alert box, a message in the same space is okay.)
I am a total beginner and not particularly good at this stuff, so please be gentle! Many thanks!
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
function RipIt()
{
for (var i = l; i <=10 i=i+l)
{
var dewey=document.getElementById(i);
dewey=parseFloat(dewey);
if (dewey >= 100 && 200 >= dewey)
{
document.getElementById('dewey'+ 100)
}
else if (dewey >= 400 && 500 >= dewey)
{
document.getElementById('dewey'+ 200)
}
else if (dewey >= 850 && 900 >= dewey)
{
document.getElementById('dewey'-100)
}
else if (dewey >= 600 && 650 >= dewey)
{
document.getElementById('dewey'+17)
}
}
}
</script>
</head>
<body>
<h4>Records to Change</h4>
<ul id="myList">
<li id ="1">101.33</li>
<li id = "2">600.01</li>
<li id = "3">001.11</li>
<li id = "4">050.02</li>
<li id = "5">199.52</li>
<li id = "6">400.27</li>
<li id = "7">401.73</li>
<li id = "8">404.98</li>
<li id = "9">no number</li>
<li id = "10">850.68</li>
<li id = "11">853.88</li>
<li id = "12">407.8</li>
<li id = "13">878.22</li>
<li id = "14">175.93</li>
<li id = "15">175.9</li>
<li id = "16">176.11</li>
<li id = "17">190.97</li>
<li id = "18">90.01</li>
<li id = "19">191.001</li>
<li id = "20">600.95</li>
<li id = "21">602.81</li>
<li id = "22">604.14</li>
<li id = "23">701.31</li>
<li id = "24">606.44</li>
<li id = "25">141.77</li>
</ul>
<b> </b>
<input type="button" value="Click To Run" onclick="RipIt()">
<!-- <input type="button" value="Click Here" onClick="showAlert();"> -->
</body>
</html>
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