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"));key value pair array in javascript
var myArray = {id1: 100, id2: 200, "tag with spaces": 300};
myArray.id3 = 400;
myArray["id4"] = 500;js change key value in object
var object = { boo:true, baa:5 };
console.log(object);
function change() {
object.boo = false;
object.baa++;
};
change();
console.log(object);
//Hope this helps!javascript create object from key value pairs
let items = 'key1:value1;key2:value2;key3:value3';
let items_array = items.split(';');
let final_items = items_array.map(item => item.split(':'));
// [ [ key1, value1 ], [ key2, value2 ], [ key3, value3 ] ]
let final_result = Object.fromEntries(final_items);
// { "key1" : "value1", "key2" : "value2", "key3" : "value3" }Copyright © 2021 Codeinu
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