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POStuck trying to assign JS vars to hidden fields
 

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  1. POStuck trying to assign JS vars to hidden fields
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    <p>I've been fighting with this for a couple of days now...need some guidance please.</p> <p>I have pared down a much bigger form to a "sample" size to demonstrate what I am after. The area in question is blocked off in a very recognizable area in the calcFees function.</p> <p>I also tried to get fancy and have the vars self post to the form so they could be seen, but that does not work.</p> <p>UPDATE: Here is a bit more info as to what I am running into.</p> <pre><code>//At this point the var regularfee is = 26.5 // (confirmed by console.log(regularfee);) // I want to assign it to the hidden field with the id="regularfee" // I have tried both of the following lines: document.getElementById('regularfee').value=regularfee.value; // console.log(document.getElementById('regularfee.value')); shows "null" document.getElementById('regularfee').value=regularfee; // console.log(document.getElementById('regularfee')); shows "[object HTMLDivElement]" </code></pre> <p>What am I doing wrong?</p> <p>END OF UPDATE <strong><em>*</em>**<em>*</em>**<em>*</em>**<em>*</em>**<em>*</em>**<em>*</em>**<em>*</em>**<em>*</em>**<em>*</em>**<em>*</em>*</strong></p> <pre><code>&lt;!DOCTYPE html&gt; &lt;html&gt; &lt;head&gt; &lt;/head&gt; &lt;body&gt; &lt;form id="multiForm" action="post.php" method="POST" id="app" name="app"&gt; &lt;div id="page1" class="page" style="visibility:visible;"&gt; Name: &lt;input type="text" size="40" name="name1" &gt; &lt;br&gt;&lt;br&gt; &lt;table border="1" cellpadding="5" width="50%"&gt; &lt;tbody&gt; &lt;tr&gt; &lt;td align="center" colspan="3"&gt;&lt;strong&gt;Membership Classification&lt;/strong&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt;&lt;td width="1000"&gt; &lt;input name="paymethod" type="radio" class="pay" id="paypal" value="paypal" /&gt;I would like to use PayPal &amp;#160;&amp;#160; &lt;input name="paymethod" type="radio" class="pay" id="check" value="check" /&gt;I would like to pay by check &lt;/td&gt; &lt;td style="width:150px" align="right"&gt;Fee &lt;/td&gt; &lt;td style="width:150px"&gt; &lt;/td&gt;&lt;/tr&gt; &lt;tr&gt; &lt;td&gt;&lt;input name="memberclass" type="radio" class="membership" id="regular" value="regular"/&gt; Regular Membership&lt;/td&gt; &lt;td align="right"&gt;&lt;div id=regularfee&gt;&lt;/td&gt; &lt;td&gt;&lt;div align="right" id=regselectedfee&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt;&lt;td colspan="2" align="right"&gt;Total &lt;/td&gt; &lt;td&gt;&lt;div align="right" id=total&gt; &lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt; &lt;/table&gt; &lt;input type="hidden" name="regularfee" id="regularfee" value=""&gt; &lt;input type="hidden" name="regselectedfee" id="regselectedfee" value=""&gt; &lt;input type="hidden" name="total" id="total" value=""&gt; &lt;/form&gt; &lt;br&gt; &lt;input type="button" id="C1" value="Continue" onClick="showLayer('page2')"&gt; &lt;/td&gt;&lt;/tr&gt; &lt;/table&gt; &lt;/div&gt; &lt;div id="page2" class="page"&gt; &lt;b&gt;Page 2 &lt;br&gt;&lt;br&gt; &lt;input type="button" id="B1" value="Go Back" onClick="showLayer('page1')"&gt; &lt;input type="submit" name="submit" value="Click to see Vars" /&gt; &lt;/div&gt; &lt;/form&gt; &lt;/body&gt; &lt;/html&gt; &lt;script type="text/javascript" src="jquery-1.10.2.min.js"&gt;&lt;/script&gt; &lt;script language="JavaScript"&gt; var paypalselected var checkselected var regularfee var memberfee1 var total $(function () { function clearForm() { paypalselected = "0"; checkselected = "0"; regularfee = 0.0; memberfee1 = 0.0; total = 0.0; $("#regselectedfee").text(memberfee1.toFixed(2)); $("#total").text(total.toFixed(2)); // clear all radio buttons $("#regular").prop("checked", false ); } function calcFees() { total = (memberfee1); $("#total").text(total.toFixed(2)); // ********************************************************************************** // Here is where I want to plug in the 3 JS vars to the hidden fields // regularfee, regselectedfee, total // Here is what I've tried: // vars are not getting plugged in // If possible, I would like the vars to be plugged in dynamically // just as the form is updateddynamically when user selects buttons document.getElementById('regularfee').value=regularfee; document.getElementById('regselectedfee').value=regselectedfee; document.getElementById('total').value=total; // ********************************************************************************** } function selectPayment() { $(".pay").change(function () { clearForm(); if ($("#paypal").prop("checked")) { regularfee = 26.50; $("#regularfee").text(regularfee.toFixed(2)); paypalselected = "1"; checkselected = "0"; } if ($("#check").prop("checked")) { regularfee = 25.0; $("#regularfee").text(regularfee.toFixed(2)); checkselected = "1"; paypalselected = "0"; } }); } clearForm(); selectPayment(); //start of membership button selection $(".membership").change(function () { if (paypalselected == "1"){ if ($("#regular").prop("checked")) { memberfee1 = 26.5; $("#regselectedfee").text(memberfee1.toFixed(2)); calcFees(); } } //end of paypalselected test if (checkselected == "1"){ if ($("#regular").prop("checked")) { memberfee1 = 25.0; $("#regselectedfee").text(memberfee1.toFixed(2)); calcFees(); } } //end of checkselected test }); //end of $(".membership").change(function () { }); //end of main function var currentLayer = 'page1'; function showLayer(lyr){ hideLayer(currentLayer); document.getElementById(lyr).style.visibility = 'visible'; currentLayer = lyr; window.scrollTo(0,0); } function hideLayer(lyr){ document.getElementById(lyr).style.visibility = 'hidden'; } &lt;/script&gt; &lt;style&gt; body{ font: 10pt sans-serif; } .page{ position: absolute; top: 10; left: 100; visibility: hidden; } p.small { line-height: 5px; } p.smalltext12 { font-size:12px } &lt;/style&gt; </code></pre>
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    1. CO**[Fiddle here](http://jsfiddle.net/rudiedirkx/3wtVd/)** As you can see from the highlighting, the HTML is invalid.
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    2. COWhat's the problem? You want hidden fields? Don't want hidden fields? Can't find JS vars? I don't get it. Form thingie seems to work: `0`, `25` or `26.5` as total. Is that good?
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    3. COthe vars are not getting plugged into the hidden fields
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