script.js

const btnE1=document.getElementById("btn");
const inputE1=document.getElementById("input");
const copyE1=document.querySelector(".fa-copy");
const alertContainerE1=document.querySelector(".alert-container");
btnE1.addEventListener("click", ()=>{
    createPassword();
})
copyE1.addEventListener("click", ()=>{
    copyPassword();
    if(inputE1.value){
alertContainerE1.classList.remove("active");
    setTimeout(()=>{
alertContainerE1.classList.add("active");
    },2000)
    }
    
})
function createPassword(){
    const chars="0123456789abcdefghijklmnopqrstuvwxyz!@#$%^&*()_+?:{}[]ABCDEFGHIJKLMNOPQRSTUVWXYZ"
    const passwordLength=14;
    let password=""
    for(let i=0; i<passwordLength; i++){
        const randomNum=Math.floor(Math.random()* chars.length);
       password += chars[randomNum];  
    }
    inputE1.value=password;
     alertContainerE1.innerText=password+" Copied!" 
}

function copyPassword(){
    inputE1.select();
    inputE1.setSelectionRange(0,9999);
    navigator.clipboard.writeText(inputE1.value); 
}