Question

How to use logical AND (&&) operator in TypeScript

Answer 1

const a = 5;
const b = -1;
  
console.log(a > 0 && b > -2); // true
 
console.log(true  && false); // false
 
console.log(false && (7 < 4)); // false
 
console.log(false && 'typescript'); // false
 
console.log('java' && 'python'); // "python"
 
console.log('' && false); // ""
 
console.log(false && ''); // false
 
 
 
   
   
/*
run:
   
true
false
false
false
"python"
""
false
   
*/

 

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