Task 1.
Create an input type="number", a button, and a div.
If the number is greater than 0 — display "positive",
if less than 0 — "negative",
if equal to 0 — "zero".
Task 2.
Create an input type="number" (age), a button, and a div.
If the age is 18 or more — display "good", otherwise — "no".
Task 3.
Create an input type="number" (battery level 0–100), a button, and a div. Display:
<= 10 — "too low" , <=30 — "low" , <=60 — "medium" , otherwise — "full" .
Task 4.
Create an input type="number" (score from 0 to 100), a button, and a div. Display
grade:
>= 90 — "A",
>= 75 — "B",
>= 60 — "C",
>= 50 — "D",
otherwise — "F".
Task 5.
Create an input type="number" (speed in km/h), a button, and a div.
If the speed is 90 or more — display "danger",
if greater than 60 — display "warning",
otherwise — display "safe".
Task 6.
Create two input type="password", a button, and a div.
If the passwords do not match (!==) — display "error",
if they match — display "ok".
Task 7.
Create a checkbox, a button, and a div.
If the checkbox is not equal to true (!== true) — display "off",
otherwise — display "on".