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const key = Object.keys(obj).find(key => obj[key] === value);
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function getKeyByValue(object, value) {
return Object.keys(object).find(key => object[key] === value);
}
const map = {"first" : "1", "second" : "2"};
console.log(getKeyByValue(map,"2"));
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const myObj = {
firstName: 'John',
lastName: 'Duo',
address: '1270.0.0.1'
}
const keys = Object.keys(myObj); // firstName, lastName, address
const values = Object.values(myObj); // John, Duo, 127.0.0.1
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const person = {
name: 'Bob',
age: 47
}
Object.keys(person).forEach((key) => {
console.log(person[key]); // 'Bob', 47
});
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function getKeyByValue(object, value) {
return Object.keys(object).find(key => object[key] === value);
}
const map = {"first" : "1", "second" : "2"};
console.log(getKeyByValue(map,"2"));
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function getKeyByValue(object, value) {
return Object.keys(object).find(key => object[key] === value);
}
const map = {"first" : "1", "second" : "2"};
console.log(getKeyByValue(map,"2"));
Run code snippet
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var obj = {
a: "A",
b: "B",
c: "C"
}
console.log(obj.a); // return string : A
var name = "a";
console.log(obj[name]);
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const findingKey = (obj , value) => (Object.keys(obj).find(key => value === obj[key]))
console.log(findingKey({id:"123",name:"Alice"},"Alice");
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getKeyByValue(obj: any, searchValue: string[]) {
for (const [key, value] of obj.entries()) {
if (value === searchValue) return key;
}
}