Task 1.
Create an input type="text", a button, and a div.
If "1234" is entered — display "ok", otherwise "error".
Task 2.
Create a select with options "small", "medium", "large", a button, and a div.
On click, change the width of the div: 100px, 200px, 300px.
Task 3.
Create an input type="text", a button, and a div.
If "admin" or "boss" is entered — display "Yes", otherwise "No".
Task 4.
Create an input type="number", a button, and a div.
If the number is less than 0 or greater than 100 — display "error", otherwise "ok".
Task 5.
Create a select with options "red", "green", "blue", a button, and a div.
On button click, change the text color of the div based on the selected value.
Task 6.
Create two input type="number" and a button.
On click, display the larger number.
Task 7.
Create a select with options "px", "em", "%",
an input type="number", a button, and a div.
On click, change the size of the box:
the input defines the value, and the select defines the unit. (width and height)