回答編集履歴
2
ペア
test
CHANGED
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@@ -79,3 +79,109 @@
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79
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</body>
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```
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# ペアを消す
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87
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```javascript
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<?PHP
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92
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print_r($_POST);
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?>
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96
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<script>
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document.addEventListener('submit',function(e){
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var dummy=document.querySelector('#dummy');
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if(dummy) dummy.parentNode.removeChild(dummy);
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var t=e.target;
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if(t.name=="order"){
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108
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109
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e.preventDefault();
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110
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var f=t.cloneNode(true);
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f.style.display="none";
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console.log(f);
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f.setAttribute("id","dummy");
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for(var i=f.elements.length-1;i>=0;i--){
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var ele=f.elements[i];
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122
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if(ele.type.match(/text/) && (ele.value.match(/^0?$/))){
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ele.parentNode.removeChild(ele);
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126
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if(r=ele.name.match(/^(item_)(\d+)$/)){;
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var pair=f.elements[r[1]+"no_"+r[2]];
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if(pair) pair.parentNode.removeChild(pair);
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}
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}
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}
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document.querySelector('body').appendChild(f);
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f.submit();
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};
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});
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</script>
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<body>
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<form name="order" method="post">
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<input type="text" name="test" value="">
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<input type="text" name="item_01" value="">
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<input name="item_no_01" type="hidden" value="000001" />
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<input type="text" name="item_02" value="">
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<input name="item_no_02" type="hidden" value="000201" />
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<input type="text" name="item_03" value="">
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<input name="item_no_03" type="hidden" value="030001" />
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<input type="text" name="item_04" value="">
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<input name="item_no_04" type="hidden" value="000003" /><input type="submit" value="買い物かごに入れる">
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</form>
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</body>
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```
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1
sample
test
CHANGED
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@@ -1,3 +1,81 @@
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1
1
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別フォームを作ってサブミットすれば実現できると思いますが
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2
2
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3
3
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普通は、受け取った側で判断することです
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# sample
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8
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9
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一応サンプルだけつけておきます
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10
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```javascript
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12
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document.addEventListener('submit',function(e){
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var dummy=document.querySelector('#dummy');
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if(dummy) dummy.parentNode.removeChild(dummy);
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var t=e.target;
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if(t.name=="order"){
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e.preventDefault();
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var f=t.cloneNode(true);
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f.style.display="none";
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console.log(f);
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f.setAttribute("id","dummy");
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for(var i=f.elements.length-1;i>=0;i--){
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var ele=f.elements[i];
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if(ele.type=="text" && (ele.value=="" || ele.value=="0")){
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ele.parentNode.removeChild(ele);
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}
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}
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document.querySelector('body').appendChild(f);
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f.submit();
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};
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});
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54
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55
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```
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56
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57
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```HTML
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58
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+
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59
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<body>
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60
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61
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<form name="order" method="post">
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62
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63
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<input type="text" name="item1" value="">
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64
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65
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<input type="text" name="item2" value="">
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<input type="text" name="item3" value="">
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69
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<input type="text" name="item4" value="">
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<input type="text" name="item5" value="">
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<input type="text" name="item6" value="">
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<input type="submit" value="買い物かごに入れる">
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77
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</form>
|
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78
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+
|
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79
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+
</body>
|
|
80
|
+
|
|
81
|
+
```
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