js set map code example
Example 1: append to map javascript
var myMap = {};
myMap[newKey] = newValue;
var myMap = new Map()
myMap.set("key0","value")
myMap.has("key1");
Example 2: set in javascript
let mySet = new Set()
mySet.add(1)
mySet.add(5)
mySet.add(5)
mySet.add('some text')
let o = {a: 1, b: 2}
mySet.add(o)
mySet.add({a: 1, b: 2})
mySet.has(1)
mySet.has(3)
mySet.has(5)
mySet.has(Math.sqrt(25))
mySet.has('Some Text'.toLowerCase())
mySet.has(o)
mySet.size
mySet.delete(5)
mySet.has(5)
mySet.size
console.log(mySet)
Example 3: new map js
let utilisateurs = new Map()
utilisateurs.set('Mark Zuckerberg' ,{
email: '[email protected]',
poste: 'PDG',
})
utilisateurs.set ('bill Gates',{
email: '[email protected]' ,
poste : 'sauver le monde' ,
})
console.log(utilisateurs);
Example 4: map in javascript
['elem', 'another', 'name'].map((value, index, originalArray) => {
console.log(.....)
});