Answers for "nullish coalescing typescript"

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nullish coalescing typescript

/* 
Returns its right-hand side operand when its left-hand side operand 
is null or undefined, and otherwise returns its left-hand side operand. 
*/

const checker = null ?? "Hello";
// Hello

const numChecker = 0 ?? "Hello";
// 0

const foo = user.id ?? null;
// user.id if it exists, null if it doesn't
Posted by: Guest on April-18-2022

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