回答編集履歴
2
読みやすく修正。
answer
CHANGED
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@@ -13,6 +13,7 @@
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13
13
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```
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14
14
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15
15
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**動くサンプル：**[https://jsfiddle.net/d5bj2s7j/1/](https://jsfiddle.net/d5bj2s7j/1/)
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16
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+
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16
17
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---
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17
18
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18
19
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**追記：**
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1
ミスがあったため修正。
answer
CHANGED
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@@ -12,4 +12,21 @@
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12
12
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console.log( filtered );
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13
13
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```
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14
14
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15
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-
**動くサンプル：**[https://jsfiddle.net/d5bj2s7j/1/](https://jsfiddle.net/d5bj2s7j/1/)
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15
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+
**動くサンプル：**[https://jsfiddle.net/d5bj2s7j/1/](https://jsfiddle.net/d5bj2s7j/1/)
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16
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+
---
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17
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+
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18
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+
**追記：**
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19
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+
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20
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+
```JavaScript
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21
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+
var arr = [{a:1,b:"h"},{a:1,b:"e"},{a:2,b:"l"},{a:3,b:"l"},{a:1,b:"o"}] ;
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22
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+
var check1 = [], check2 = [];
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23
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arr.forEach( function ( e ) {
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24
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if ( check1.indexOf( e.b ) !== -1 ) { check2.push( e.b ); }
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25
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check1.push( e.b );
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26
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} );
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27
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var filtered = arr.filter( function ( e ) {
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28
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return ( check2.indexOf( e.b ) === -1 );
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29
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} );
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30
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+
console.log( filtered );
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31
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```
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32
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+
**動くサンプル：**[https://jsfiddle.net/d5bj2s7j/2/](https://jsfiddle.net/d5bj2s7j/2/)
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