how can i get output of single button on same page at a time in this javascript program

Question

when i click 1st button output appears i want that when i click 2nd button output of 1st disappear and 2nd appears
https://code.sololearn.com/WCDDUaUym729/?ref=app

Answer 1

this may help u : https://code.sololearn.com/Wt10HtjRu8Iu

use for loop to remove the child
for(var remove = 0 ; remove < parent.childNodes.length;remove++){
parent.childNodes[remove].hidden = true
}

Answer 2

Add the following line after you select parent,

parent.innerHTML="";

Answer 3

Jagbir singh Abhay has given u the easyiest way to do so ..
i will recomment try Abhay solution

Answer 4

dear can you explain working of remove full