Typescript create map

var map = new Map();  

map.set('1', 'Ail');     
map.set(1, 'testvalue');    

console.log( "Value 1= " + map.get(1));   

console.log( "Key is Present in the Map = " + map.has(3) );   

console.log( "Delete value from Map = " + map.delete(1) );

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