Comparing boolean or operator and null coalescing operator

comparing_or_and_nullish_coalescing_operator.js

const i_am_null = null;
const i_am_undefined = undefined;
const i_am_non_null = 'I have value !'
const i_am_false = false;
const zero = 0;
const empty_string = '';

console.log(`Comparing the evaluation of (i_am_null ?? 'default value') and (i_am_null || 'default value'): 
    ${i_am_null ?? 'default value'} <-> ${i_am_null || 'default value'}`);
console.log(`Comparing the evaluation of (i_am_undefined ?? 'default value') and (i_am_undefined || 'default value'): 
    ${i_am_undefined ?? 'default value'} <-> ${i_am_undefined || 'default value'}`);
console.log(`Comparing the evaluation of (i_am_non_null ?? 'another value') and (i_am_non_null || 'another value'): 
    ${i_am_non_null ?? 'another value'} <-> ${i_am_non_null || 'another value'}`);
console.log(`Comparing the evaluation of (i_am_false ?? 'default value') and (i_am_false || 'default value'): 
    ${i_am_false ?? 'default value'} <-> ${i_am_false || 'default value'}`);
console.log(`Comparing the evaluation of (zero ?? 42) and (zero || 42): 
    ${zero ?? 42} <-> ${zero || 42}`);
console.log(`Comparing the evaluation of (empty_string ?? "Non-empty") and (empty_string || "Non-empty"): 
    ${empty_string ?? "Non-empty"} <-> ${empty_string || "Non-empty"}`);