[英]Remove value from an Object in JavaScript
我有下面的代碼。 我想從verses
對象中刪除verse
。
_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
}
});
});
_self.verses.filter(verse => {
Object.keys(verse).forEach(function(key) {
if(! _self.recieved_translation.includes(key))
{
delete verses[verses];
}
});
});
使用delete
從obj中刪除項目
_self.verses.forEach(verse => delete verse.verse);
filter
跳過其回調返回false
元素。 只要看看您是否有問題的密鑰,然后根據布爾值返回即可。
_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;
});
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