map set key value javascript code example

Example 1: map object and add new property javascript

Results.map(obj=> ({ ...obj, Active: 'false' }))

Example 2: append to map javascript

var myMap = {};

myMap[newKey] = newValue;

// ...


// Another method

var myMap = new Map()
myMap.set("key0","value")
// ...
myMap.has("key1"); // evaluates to false, assuming key1 wasn't set