回答編集履歴
2
読みやすく修正。
test
CHANGED
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@@ -27,6 +27,8 @@
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27
27
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28
28
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29
29
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**動くサンプル：**[https://jsfiddle.net/d5bj2s7j/1/](https://jsfiddle.net/d5bj2s7j/1/)
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30
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+
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31
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+
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30
32
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31
33
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---
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32
34
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1
ミスがあったため修正。
test
CHANGED
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@@ -27,3 +27,39 @@
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27
27
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28
28
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29
29
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**動くサンプル：**[https://jsfiddle.net/d5bj2s7j/1/](https://jsfiddle.net/d5bj2s7j/1/)
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30
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+
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31
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---
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32
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33
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+
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34
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35
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+
**追記：**
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36
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37
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38
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+
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39
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+
```JavaScript
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40
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+
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41
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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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42
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+
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43
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var check1 = [], check2 = [];
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44
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45
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arr.forEach( function ( e ) {
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46
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47
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if ( check1.indexOf( e.b ) !== -1 ) { check2.push( e.b ); }
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48
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+
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49
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check1.push( e.b );
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50
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+
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51
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} );
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52
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53
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var filtered = arr.filter( function ( e ) {
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54
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55
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return ( check2.indexOf( e.b ) === -1 );
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56
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57
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} );
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58
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59
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console.log( filtered );
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60
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61
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```
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62
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+
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63
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**動くサンプル：**[https://jsfiddle.net/d5bj2s7j/2/](https://jsfiddle.net/d5bj2s7j/2/)
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64
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+
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65
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+
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