回答編集履歴
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追記
test
CHANGED
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@@ -7,3 +7,219 @@
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priceとfieldを多用していますが、
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たとえば各要素にidをふるなどもう少し工夫が必要かと
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# sample
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最大限元のHTMLを優先してみました
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```javascript
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<script>
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document.addEventListener('change',function(e){
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var p=document.querySelectorAll('input[name=price]');
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var f=document.querySelectorAll('input[name=field]');
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var w=document.querySelectorAll('input[type=radio].which:checked');
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var c=document.querySelectorAll('select[name=count]');
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var t=document.querySelectorAll('input[name=field_total]');
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var ta=document.querySelector('input[name=allTotal]');
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var t0=0,t1=0;
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var v=0;
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for(var i=0;i<3;i++){
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t0+=(v=parseInt(p[i].value)||0*parseInt(w[i].value||0));
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f[i].value=p[i].value==""?"":v;
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t1+=(v=parseInt(p[i+3].value||0)*parseInt(c[i].value||0));
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f[i+3].value=p[i+3].value==""?"":v;
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}
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t[0].value=t0;
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t[1].value=t1;
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ta.value=t0+t1;
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});
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</script>
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<form id="form">
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<table>
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<tr>
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<th>単価</th>
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<th>利用区分</th>
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<th>合計</th>
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</tr>
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<tr>
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<td><input maxlength='6' type="text" name="price"></td>
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<td><label><input type="radio" class="which" name="which_1" value="1" checked>片道
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<input type="radio" class="which" name="which_1" value="2">往復</label></td>
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<td><input maxlength='7' type="text" name="field"></td>
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</tr>
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<tr>
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<td><input maxlength='6' type="text" name="price"></td>
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<td><label><input type="radio" class="which" name="which_2" value="1" checked>片道
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<input type="radio" class="which" name="which_2" value="2">往復</label></td>
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<td><input maxlength='7' type="text" name="field"></td>
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</tr>
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<tr>
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<td><input maxlength='6' type="text" name="price"></td>
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<td><label><input type="radio" class="which" name="which_3" value="1" checked>片道
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<input type="radio" class="which" name="which_3" value="2">往復</label></td>
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<td><input maxlength='7' type="text" name="field"></td>
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</tr>
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<tr>
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<td align="right" colspan="3">合計</td>
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<td><input type="text" name="field_total" value="0"></td>
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</tr>
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</table>
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<table>
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<tr>
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<th>単価</th>
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<th>数量</th>
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<th>合計</th>
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</tr>
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<tr>
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<td><input maxlength='6' type="text" name="price"></td>
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<td class="left">
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<select name="count">
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<?php
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$price=[0,1,2,3,4,5,6,7,8,9,10];
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foreach($price as $item) {
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echo '<option value="', $item ,'">', $item ,'</option>';}
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?>
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</select></td>
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<td><input maxlength='7' type="text" name="field"></td>
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</tr>
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<tr>
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<td><input maxlength='6' type="text" name="price"></td>
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<td class="left">
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<select name="count">
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<?php
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$price=[0,1,2,3,4,5,6,7,8,9,10];
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foreach($price as $item) {
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echo '<option value="', $item ,'">', $item ,'</option>';}
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?>
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</select></td>
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<td><input maxlength='7' type="text" name="field"></td>
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</tr>
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<tr>
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<td><input maxlength='6' type="text" name="price"></td>
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<td class="left">
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<select name="count">
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<?php
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$price=[0,1,2,3,4,5,6,7,8,9,10];
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foreach($price as $item) {
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echo '<option value="', $item ,'">', $item ,'</option>';}
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?>
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</select></td>
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<td><input maxlength='7' type="text" name="field"></td>
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</tr>
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<tr>
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<td align="right" colspan="3">合計</td>
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<td><input type="text" name="field_total" value="0"></td>
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</tr>
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</table>
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<label>総合計</label>
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<input type="text" name="allTotal">
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</body>
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```
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