i cant build logic for javascript part 10 assignment

[shubhu10]

p.addEventListener("mouseout",changecolor);
h1.addEventListener("keypress",changecolor);
h3.addEventListener("scroll",changecolor);
btn.addEventListener("load",changecolor);

let inp=document.querySelector("#user");
let form=document.querySelector("form");
let display=document.querySelector(".h1");

let formBtn=document.querySelector(".btn");
form.addEventListener("submit",function(event){
event.preventDefault();
})

inp.addEventListener("input",function(event)
{ event.preventDefault();

let value=inp.value;
console.log(event.keyCode);
console.log(event.key);
console.dir(value);

if((inp.keyCode<90 && inp.keyCode>65) || inp.keyCode==32 )
{
  
  display.innerHTML=value;
}

});