We want to make this open-source project available for people all around the world.

Help to translate the content of this tutorial to your language!

back to the lesson

if (a string with zero)

importance: 5

Will alert be shown?

if ("0") {
  alert( 'Hello' );
}

Yes, it will.

Any string except an empty one (and "0" is not empty) becomes true in the logical context.

We can run and check:

if ("0") {
  alert( 'Hello' );
}