回答編集履歴
1
JavaScriptについて、追加しました。
test
CHANGED
|
@@ -19,3 +19,107 @@
|
|
|
19
19
|
|
|
20
20
|
|
|
21
21
|
`<button type="button" id="delete">Delete</button>`などを追加すればとりあえずエラーはなくなると思います。
|
|
22
|
+
|
|
23
|
+
|
|
24
|
+
|
|
25
|
+
---
|
|
26
|
+
|
|
27
|
+
追記しました。こちらでいかがでしょうか?
|
|
28
|
+
|
|
29
|
+
[CodePenで実装してみました](https://codepen.io/new1ro/pen/vYNKaLz)
|
|
30
|
+
|
|
31
|
+
|
|
32
|
+
|
|
33
|
+
```JS
|
|
34
|
+
|
|
35
|
+
const myfunc = document.getElementById('click-function');
|
|
36
|
+
|
|
37
|
+
let count = 0;
|
|
38
|
+
|
|
39
|
+
myfunc.addEventListener('click',function(){
|
|
40
|
+
|
|
41
|
+
let todoItems = [];
|
|
42
|
+
|
|
43
|
+
let todoItem = document.getElementById('item').value;
|
|
44
|
+
|
|
45
|
+
todoItems.push(todoItem);
|
|
46
|
+
|
|
47
|
+
todoItems.forEach((element,index,array) => {
|
|
48
|
+
|
|
49
|
+
const btn_1 = document.createElement('button');
|
|
50
|
+
|
|
51
|
+
const btn_2 = document.createElement('button');
|
|
52
|
+
|
|
53
|
+
btn_1.textContent = '作業中';
|
|
54
|
+
|
|
55
|
+
btn_2.textContent = '消去';
|
|
56
|
+
|
|
57
|
+
btn_2.type = 'button';
|
|
58
|
+
|
|
59
|
+
btn_2.id = 'delete-' + count; /* idが重複しないようにする */
|
|
60
|
+
|
|
61
|
+
|
|
62
|
+
|
|
63
|
+
|
|
64
|
+
|
|
65
|
+
// 追加
|
|
66
|
+
|
|
67
|
+
btn_2.addEventListener('click',function(){
|
|
68
|
+
|
|
69
|
+
const list_item = document.getElementById('list_item');
|
|
70
|
+
|
|
71
|
+
const tr_count = document.getElementById('tr-'+count);
|
|
72
|
+
|
|
73
|
+
if(tr_count.hasChildNodes()){
|
|
74
|
+
|
|
75
|
+
list_item.removeChild(tr);
|
|
76
|
+
|
|
77
|
+
count--;
|
|
78
|
+
|
|
79
|
+
}
|
|
80
|
+
|
|
81
|
+
});
|
|
82
|
+
|
|
83
|
+
|
|
84
|
+
|
|
85
|
+
|
|
86
|
+
|
|
87
|
+
const td_1 = document.createElement('td');
|
|
88
|
+
|
|
89
|
+
const td_2 = document.createElement('td');
|
|
90
|
+
|
|
91
|
+
const td_3 = document.createElement('td');
|
|
92
|
+
|
|
93
|
+
const td_4 = document.createElement('td');
|
|
94
|
+
|
|
95
|
+
const tr = document.createElement('tr');
|
|
96
|
+
|
|
97
|
+
tr.id = "tr-" + count;
|
|
98
|
+
|
|
99
|
+
td_1.appendChild(document.createTextNode(count));
|
|
100
|
+
|
|
101
|
+
td_2.appendChild(document.createTextNode(todoItem));
|
|
102
|
+
|
|
103
|
+
td_3.appendChild(btn_1);
|
|
104
|
+
|
|
105
|
+
td_4.appendChild(btn_2);
|
|
106
|
+
|
|
107
|
+
tr.appendChild(td_1);
|
|
108
|
+
|
|
109
|
+
tr.appendChild(td_2);
|
|
110
|
+
|
|
111
|
+
tr.appendChild(td_3);
|
|
112
|
+
|
|
113
|
+
tr.appendChild(td_4);
|
|
114
|
+
|
|
115
|
+
document.getElementById('list_item').appendChild(tr);
|
|
116
|
+
|
|
117
|
+
count++;
|
|
118
|
+
|
|
119
|
+
})
|
|
120
|
+
|
|
121
|
+
});
|
|
122
|
+
|
|
123
|
+
|
|
124
|
+
|
|
125
|
+
```
|