JavaScript Quiz Practice
Active Recall Drill Session
← Exit SessionQuestion 1 of 1
mediumJavaScript
What does this log?
code
const set = new Set();
set.add(NaN);
set.add(NaN);
set.add(1);
set.add(1);
console.log(set.size);Loading compiler resources...
Active Recall Drill Session
const set = new Set();
set.add(NaN);
set.add(NaN);
set.add(1);
set.add(1);
console.log(set.size);