回答編集履歴
1
選択表示機能追加
answer
CHANGED
|
@@ -5,4 +5,67 @@
|
|
|
5
5
|
list[lname] = (list[lname] || []).concat (rec);
|
|
6
6
|
|
|
7
7
|
console.log (list);
|
|
8
|
+
```
|
|
9
|
+
Array.filter に拘るのは無駄。
|
|
10
|
+
|
|
11
|
+
```js
|
|
12
|
+
<!DOCTYPE hrml>
|
|
13
|
+
<meta charset="UTF-8">
|
|
14
|
+
<title></title>
|
|
15
|
+
|
|
16
|
+
<body>
|
|
17
|
+
<select id="hoge"><option></option></select>
|
|
18
|
+
<table border="1" id="fuga"></table>
|
|
19
|
+
|
|
20
|
+
<script>
|
|
21
|
+
var data =[
|
|
22
|
+
{
|
|
23
|
+
"sname": "機能1",
|
|
24
|
+
"category": "カテゴリー1",
|
|
25
|
+
"label": [
|
|
26
|
+
{ "lname": "Aプラン"},
|
|
27
|
+
{ "lname": "Bプラン" },
|
|
28
|
+
{ "lname": "Cプラン"}
|
|
29
|
+
]
|
|
30
|
+
},
|
|
31
|
+
{
|
|
32
|
+
"sname": "機能2",
|
|
33
|
+
"category": "カテゴリー2",
|
|
34
|
+
"label": [
|
|
35
|
+
{ "lname": "Bプラン" },
|
|
36
|
+
{ "lname": "Cプラン"}
|
|
37
|
+
]
|
|
38
|
+
},
|
|
39
|
+
{
|
|
40
|
+
"sname": "機能3",
|
|
41
|
+
"category": "カテゴリー1",
|
|
42
|
+
"label": [
|
|
43
|
+
{ "lname": "Aプラン"},
|
|
44
|
+
{ "lname": "Bプラン" },
|
|
45
|
+
{ "lname": "Dプラン"}
|
|
46
|
+
]
|
|
47
|
+
}
|
|
48
|
+
];
|
|
49
|
+
|
|
50
|
+
let list = { };
|
|
51
|
+
for (let rec of data)
|
|
52
|
+
for (let {lname} of rec.label)
|
|
53
|
+
list[lname] = (list[lname] || []).concat (rec);
|
|
54
|
+
|
|
55
|
+
|
|
56
|
+
for (let k of Object.keys (list))
|
|
57
|
+
hoge.appendChild (new Option (k));
|
|
58
|
+
|
|
59
|
+
hoge.addEventListener ('change', (e,p=list[e.target.value])=> {
|
|
60
|
+
[...fuga.children].forEach (e=>e.remove());
|
|
61
|
+
!p || ary2tbody (p.map (p=> Object.entries (p).map (([k,v])=> Array.isArray (v) ? v.map(v=>v.lname).join(', '):v)), fuga);
|
|
62
|
+
});
|
|
63
|
+
|
|
64
|
+
function ary2tbody (a, b=document.createElement('tbody')) {
|
|
65
|
+
return a.reduce((b,c)=>(c.reduce((c,d)=>(c.insertCell().textContent=d,c),b.insertRow()),b),b);
|
|
66
|
+
}
|
|
67
|
+
|
|
68
|
+
|
|
69
|
+
</script>
|
|
70
|
+
|
|
8
71
|
```
|