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"));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"));javascript create object key from variable
//For ES6 and Babel
{
[yourKeyVariable]: "yourValue",
}
// ES5 Alternative
// Create the object first, then use [] to set your variable as a key
var yourObject = {};
yourObject[yourKeyVariable] = "yourValue";Copyright © 2021 Codeinu
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