typescript generic function
function firstElement<Type>(arr: Type[]): Type {
return arr[0];
}
// s is of type 'string'
const s = firstElement(["a", "b", "c"]);
// n is of type 'number'
const n = firstElement([1, 2, 3]);typescript generic function
function firstElement<Type>(arr: Type[]): Type {
return arr[0];
}
// s is of type 'string'
const s = firstElement(["a", "b", "c"]);
// n is of type 'number'
const n = firstElement([1, 2, 3]);typescript class type t
class GenericNumber<T> {
zeroValue: T;
add: (x: T, y: T) => T;
}
let myGenericNumber = new GenericNumber<number>();
myGenericNumber.zeroValue = 0;
myGenericNumber.add = function(x, y) { return x + y; };typescript generic type
function identity<T>(arg: T): T {
return arg;
}Tryhow to make a generic variable in javascript
var x = 1;
var y = 1;
if (x == y) {
x = x + 1
}Copyright © 2021 Codeinu
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