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POComplex Javascript Array - sum values and insert value into form
 

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  1. POComplex Javascript Array - sum values and insert value into form
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    <p>Trying to adapt a rather complex array code. Basically, I want to add the total hours entered, then return the value into input name="total_hrs", but got stuck! Would also appreciate any help to simplify/clean up the script! Thanks. Here's the script:</p> <pre><code>&lt;script language="JavaScript" type="text/javascript"&gt; &lt;!-- function subCalc(the_form) { var subtotal = 0; var subtemp = 0; var totalHrs = 0; // put the calories and form fields into parallel arrays. var calorie_array = new Array() calorie_array[0] = 72; calorie_array[1] = 86; calorie_array[2] = 100; calorie_array[3] = 126; calorie_array[4] = 130; calorie_array[5] = 180; calorie_array[6] = 156; calorie_array[7] = 182; calorie_array[8] = 210; calorie_array[9] = 250; calorie_array[10] = 270; calorie_array[11] = 390; calorie_array[12] = 390; calorie_array[13] = 546; var time_array = new Array() time_array[0] = the_form.sleeping_time; time_array[1] = the_form.TV_time; time_array[2] = the_form.sit_time; time_array[3] = the_form.cook_time; time_array[4] = the_form.stand_time; time_array[5] = the_form.wash_time; time_array[6] = the_form.walk_S_time; time_array[7] = the_form.house_time; time_array[8] = the_form.walk_M_time; time_array[9] = the_form.gard_time; time_array[10] = the_form.danc_time; time_array[11] = the_form.stairs_time; time_array[12] = the_form.jog_time; time_array[13] = the_form.sqsh_time; var sub_array = new Array() sub_array[0] = the_form.cal0; sub_array[1] = the_form.cal1; sub_array[2] = the_form.cal2; sub_array[3] = the_form.cal3; sub_array[4] = the_form.cal4; sub_array[5] = the_form.cal5; sub_array[6] = the_form.cal6; sub_array[7] = the_form.cal7; sub_array[8] = the_form.cal8; sub_array[9] = the_form.cal9; sub_array[10] = the_form.cal10; sub_array[11] = the_form.cal11; sub_array[12] = the_form.cal12; sub_array[13] = the_form.cal13; for(i = 0; i &lt; calorie_array.length; i++) { // Give subtemp the value or the calorie times the time. subtemp = (calorie_array[i] * time_array[i].value); // Put the converted string into the form field. sub_array[i].value = checkAmount(subtemp); // Add the converted number value to subtotal. subtotal += roundFloat(subtemp); } for(i = 0; i &lt; time_array.length; i++) { hours = (time_array[i].value); totalHrs += roundFloat(hours); } return subtotal; } function totalCalc() { var form; var subtotal; var total; var totalHrs; var hours; form = document.calc_form; // get the value of subtotal from totalCalc. subtotal = subCalc(form); totalHrs = subCalc(form); // Add the NUMBER values and subtotal. total = subtotal; // Convert this number into a string and display. form.total.value = checkAmount(total); // Adds total hours. hours = totalHrs form.total_hrs.value = checkAmount(hours); } function roundFloat(num) { num = parseFloat(num); num = Math.round(100*num)/100 return num } function checkAmount(num) { // Convert into a floating point number. num = parseFloat(num) // Round the number off. num = Math.round(100*num)/100 // Turn into a string. num = String(num) // Return the converted string. return num } //--&gt; &lt;/script&gt; </code></pre> <p>And the html:</p> <pre><code>&lt;form name="calc_form" id="form" method="post"&gt; &lt;table width="310" border="0" bgcolor="#EAEAEA"&gt; &lt;tr&gt; &lt;th width="95"&gt;&lt;h2&gt;Activity&lt;/h2&gt;&lt;/th&gt;&lt;th width="70"&gt;&lt;h2&gt;Time &lt;br&gt;(in hours)&lt;/h2&gt;&lt;/th&gt; &lt;th width="101"&gt;&lt;h2&gt;Calories used per hour&lt;/h2&gt;&lt;/th&gt; &lt;/tr&gt; &lt;tr class="table-text"&gt; &lt;td class="right"&gt;&lt;p class="table-text"&gt;Sleeping&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt; &lt;p class="table-text"&gt; &lt;input name="sleeping_time" type="text" id="sleeping_time" size="2" maxlength="2" onchange="subCalc(document.calc_form);" /&gt; hrs&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt; &lt;p class="table-text"&gt; &lt;input name="cal0" type="text" id="cal0" size="6" maxlength="6" /&gt; kcals&lt;/p&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="right"&gt;&lt;p class="table-text"&gt;Eating/Reading/&lt;br&gt;Watching TV&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt;&lt;p class="table-text"&gt; &lt;input name="TV_time" type="text" id="TV_time" size="2" maxlength="2" onchange="subCalc(document.calc_form);" /&gt; hrs&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt;&lt;p class="table-text"&gt; &lt;input name="cal1" type="text" id="cal1" size="6" maxlength="6" /&gt; &lt;/span&gt;kcals&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="right"&gt;&lt;p class="table-text"&gt;Sitting&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt;&lt;p class="table-text"&gt; &lt;input name="sit_time" type="text" id="sit_time" size="2" maxlength="2" onchange="subCalc(document.calc_form);" /&gt; hrs&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt;&lt;p class="table-text"&gt; &lt;input name="cal2" type="text" id="cal2" size="6" maxlength="6" /&gt; kcals&lt;/p&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="right"&gt;&lt;p class="table-text"&gt;Cooking&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt;&lt;p class="table-text"&gt; &lt;input name="cook_time" type="text" id="cook_time" size="2" maxlength="2" onchange="subCalc(document.calc_form);" /&gt; hrs&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt;&lt;p class="table-text"&gt; &lt;input name="cal3" type="text" id="cal3" size="6" maxlength="6" /&gt; kcals&lt;/p&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="right"&gt;&lt;p class="table-text"&gt;Standing&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt;&lt;p class="table-text"&gt; &lt;input name="stand_time" type="text" id="stand_time" size="2" maxlength="2" onchange="subCalc(document.calc_form);" /&gt; hrs&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt;&lt;p class="table-text"&gt; &lt;input name="cal4" type="text" id="cal4" size="6" maxlength="6" /&gt; kcals&lt;/p&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="right"&gt;&lt;p class="table-text"&gt;Washing &amp;amp; Dressing&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt;&lt;p class="table-text"&gt; &lt;input name="wash_time" type="text" id="wash_time" size="2" maxlength="2" onchange="subCalc(document.calc_form);" /&gt; hrs&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt;&lt;p class="table-text"&gt; &lt;input name="cal5" type="text" id="cal5" size="6" maxlength="6" /&gt; kcals&lt;/p&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="right"&gt;&lt;p class="table-text"&gt;Walking Slowly&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt;&lt;p class="table-text"&gt; &lt;input name="walk_S_time" type="text" id="walk_S_time" size="2" maxlength="2" onchange="subCalc(document.calc_form);" /&gt; hrs&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt;&lt;p class="table-text"&gt; &lt;input name="cal6" type="text" id="cal6" size="6" maxlength="6" /&gt; kcals&lt;/p&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="right"&gt;&lt;p class="table-text"&gt;Light housework&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt;&lt;p class="table-text"&gt; &lt;input name="house_time" type="text" id="house_time" size="2" maxlength="2" onchange="subCalc(document.calc_form);" /&gt; hrs&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt;&lt;p class="table-text"&gt; &lt;input name="cal7" type="text" id="cal7" size="6" maxlength="6" /&gt; kcals&lt;/p&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="right"&gt;&lt;p class="table-text"&gt;Walking moderately&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt;&lt;p class="table-text"&gt; &lt;input name="walk_M_time" type="text" id="walk_M_time" size="2" maxlength="2" onchange="subCalc(document.calc_form);" /&gt; hrs&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt;&lt;p class="table-text"&gt; &lt;input name="cal8" type="text" id="cal8" size="6" maxlength="6" /&gt; kcals&lt;/p&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="right"&gt;&lt;p class="table-text"&gt;Light gardening&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt;&lt;p class="table-text"&gt; &lt;input name="gard_time" type="text" id="gard_time" size="2" maxlength="2" onchange="subCalc(document.calc_form);" /&gt; hrs&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt;&lt;p class="table-text"&gt; &lt;input name="cal9" type="text" id="cal9" size="6" maxlength="6" /&gt; kcals&lt;/p&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="right"&gt;&lt;p class="table-text"&gt;Dancing&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt;&lt;p class="table-text"&gt; &lt;input name="danc_time" type="text" id="danc_time" size="2" maxlength="2" onchange="subCalc(document.calc_form);" /&gt; hrs&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt;&lt;p class="table-text"&gt; &lt;input name="cal10" type="text" id="cal10" size="6" maxlength="6" /&gt; kcals&lt;/p&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="right"&gt;&lt;p class="table-text"&gt;Walking up stairs&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt;&lt;p class="table-text"&gt; &lt;input name="stairs_time" type="text" id="stairs_time" size="2" maxlength="2" onchange="subCalc(document.calc_form);" /&gt; hrs&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt;&lt;p class="table-text"&gt; &lt;input name="cal11" type="text" id="cal11" size="6" maxlength="6" /&gt; kcals&lt;/p&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="right"&gt;&lt;p class="table-text"&gt;Jogging&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt;&lt;p class="table-text"&gt; &lt;input name="jog_time" type="text" id="jog_time" size="2" maxlength="2" onchange="subCalc(document.calc_form);" /&gt; hrs&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt;&lt;p class="table-text"&gt; &lt;input name="cal12" type="text" id="cal12" size="6" maxlength="6" /&gt; kcals&lt;/p&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="right"&gt;&lt;p class="table-text"&gt;Squash&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt;&lt;p class="table-text"&gt; &lt;input name="sqsh_time" type="text" id="sqsh_time" size="2" maxlength="2" onchange="subCalc(document.calc_form);" /&gt; hrs&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt;&lt;p class="table-text"&gt; &lt;input name="cal13" type="text" id="cal13" size="6" maxlength="6" /&gt; kcals&lt;/p&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;&lt;p class="table-text"&gt;&amp;nbsp;&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt;&lt;p class="table-text"&gt;&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt;&lt;p class="table-text"&gt;&lt;/p&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;&lt;p class="table-text"&gt;&lt;strong&gt;Totals = &lt;/strong&gt;&lt;/p&gt;&lt;/td&gt; &lt;td width="70"&gt;&lt;p class="table-text"&gt; &lt;input name="total_hrs" type="text" id="total_hrs" size="3" /&gt; hrs&lt;/p&gt;&lt;/td&gt; &lt;td width="101"&gt;&lt;p class="table-text"&gt; &lt;input name="total" type="text" id="total" size="6" /&gt; kcals&lt;/p&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td colspan="2"&gt;&lt;INPUT name="reset" value="Reset" TYPE="reset"&gt; &lt;/td&gt; &lt;td colspan="2"&gt;&lt;input name="Calculate Total" type="button" id="Calculate Total" value="Calculate Total" onclick="totalCalc();" /&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/form&gt; </code></pre>
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    1. COWhat precisely is the problem? Or what exactly do you want to achieve? Also, is the HTML relevant to your question?
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    2. COThanks for the reply. I can't get the script to add up the values of time_array and return a value in input name="total_hrs", so yes the html is relevant.
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    3. COFor "cleanup" you could use [jsbeautifier](http://jsbeautifier.org/?without-codemirror). Also using [Array literals](https://developer.mozilla.org/en-US/docs/JavaScript/Guide/Values,_variables,_and_literals#Array_literals) makes your code shorter.
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