Run ❯
Get your
own
website
❯
Run Code
Ctrl+Alt+R
Save Code
Ctrl+Alt+A
Change Orientation
Ctrl+Alt+O
Change Theme
Ctrl+Alt+D
Go to Spaces
Ctrl+Alt+P
<!DOCTYPE html> <html> <body> <h1>JavaScript Sets</h1> <h2>The isSupersetOf() Method</h2> <p>The isSupersetOf() method returns true if all elements in the argument set are also in this set:</p> <p id="demo"></p> <script> const A = new Set(['a','b','c']); const B = new Set(['b','c','d']); let answer = A.isSupersetOf(B); document.getElementById("demo").innerHTML = answer; </script> </body> </html>
