質問編集履歴
3
コード修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -89,3 +89,5 @@
|
|
|
89
89
|
|
|
90
90
|
|
|
91
91
|
```
|
|
92
|
+
|
|
93
|
+
|
2
コード修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -60,17 +60,31 @@
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|
|
60
60
|
|
|
61
61
|
```
|
|
62
62
|
|
|
63
|
-
↓修正後 Consoleを見ると
|
|
63
|
+
↓修正後 Consoleを見るとaは空白でlabelは取得できていませんでした。
|
|
64
64
|
|
|
65
65
|
```javascript
|
|
66
66
|
|
|
67
|
-
|
|
67
|
+
function test() {
|
|
68
68
|
|
|
69
|
-
var
|
|
69
|
+
var key = document.getElementById("test_id").getAttribute("value");
|
|
70
70
|
|
|
71
|
-
var
|
|
71
|
+
var a = ""
|
|
72
72
|
|
|
73
|
+
for(var opt of document.getElementById("test_list").children){
|
|
74
|
+
|
|
75
|
+
if(opt.getAttribute("value")==key){
|
|
76
|
+
|
|
77
|
+
a = opt.getAttribute("label")
|
|
78
|
+
|
|
79
|
+
bleak;
|
|
80
|
+
|
|
81
|
+
}
|
|
82
|
+
|
|
83
|
+
}
|
|
84
|
+
|
|
73
|
-
console.log(label
|
|
85
|
+
console.log('label:'+a);
|
|
86
|
+
|
|
87
|
+
}
|
|
74
88
|
|
|
75
89
|
|
|
76
90
|
|
1
コード修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -59,3 +59,19 @@
|
|
|
59
59
|
|
|
60
60
|
|
|
61
61
|
```
|
|
62
|
+
|
|
63
|
+
↓修正後 Consoleを見るとnullと表示され、labelは取得できていません。
|
|
64
|
+
|
|
65
|
+
```javascript
|
|
66
|
+
|
|
67
|
+
function test() {
|
|
68
|
+
|
|
69
|
+
var a = document.getElementById("test_id");
|
|
70
|
+
|
|
71
|
+
var label = a.getAttribute("label");
|
|
72
|
+
|
|
73
|
+
console.log(label );
|
|
74
|
+
|
|
75
|
+
|
|
76
|
+
|
|
77
|
+
```
|