how to check if object has key javascript
myObj.hasOwnProperty('key') // it checks object for particular key and not on prototype
how to check if object has key javascript
myObj.hasOwnProperty('key') // it checks object for particular key and not on prototype
how to find the key of an value in an object
function getKeyByValue(object, value) {
return Object.keys(object).find(key => object[key] === value);
}
const map = {"first" : "1", "second" : "2"};
console.log(getKeyByValue(map,"2"));
js find key by value in object
Object.keys(object).find(key => object[key] === value)
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