Remove value from an Object in JavaScript

Question

I have code like below. I would like to remove verse from verses object.

_self.verses.filter(verse => {
    Object.keys(verse).forEach(function(key) {
       if(! _self.recieved_translation.includes(key))
       {
         // I would like to remove this verse from verses                       
       }
    });
});

Possible duplicate of a duplicate - stackoverflow.com/questions/3455405/… — Aseem Upadhyay
– Aseem Upadhyay, Commented Jun 28, 2018 at 12:15

mshouman · Accepted Answer · 2018-06-28 12:14:34Z

2

_self.verses.filter(verse => {
    Object.keys(verse).forEach(function(key) {
       if(! _self.recieved_translation.includes(key))
       {
              delete verses[verses];                  
       }
    });
});

answered Jun 28, 2018 at 12:14

mshouman

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Comments

Dee · Accepted Answer · 2018-06-28 12:15:45Z

0

use delete to remove items from obj

answered Jun 28, 2018 at 12:15

Dee

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Comments

Karan · Accepted Answer · 2018-06-28 12:17:06Z

0

_self.verses.forEach(verse => delete verse.verse);

answered Jun 28, 2018 at 12:17

Karan

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Comments

Serge Seredenko · Accepted Answer · 2018-06-28 13:18:07Z

0

filter skips elements, for which its callback returns false. Just see if you have the problematic key and return according boolean.

_self.verses = _self.verses.filter(verse => {
    // We don't need foreach here, we just need the first key
    var keyWithoutTranslation = Object.keys(verse).find(function(key) {
       return !_self.recieved_translation.includes(key);
    });
    // Now the filter will do the rest
    return keyWithoutTranslation === undefined;
});

answered Jun 28, 2018 at 13:18

Serge Seredenko

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