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main.js
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main.js
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let main,
numbers,
biggest,
playerBiggest,
p,
n = 50; /* number of tiles on the game */
const getRandomBigNumber = function(){
let s = "";
const r = Math.floor(Math.random() * 101);
let i = 0;
while(i < r){
const n = Math.floor( Math.random() * 10 );
if( n && i < r ){
s = n+s;
i++;
if( i % 3 == 0 && i < r){
s = "."+s;
}
}
}
return s.length ? s : "0";
}
const hideModal = function(){
let modal = document.body.lastChild;
modal.remove();
}
const showModal = function(){
const modal = document.createElement('div');
modal.style.width = "100%";
modal.style.height = "100%";
modal.style.display = "flex";
modal.style.alignItems = "center";
modal.style.justifyContent = "center";
modal.style.position = "absolute";
modal.style.left = 0;
modal.style.top = 0;
modal.style.backgroundColor = "rgba(0,0,0,0.5)";
let box = document.createElement('div');
box.style.display = "flex";
box.style.flexDirection = "column";
box.style.alignItems = "center";
box.style.justifyContent = "space-around";
box.style.width = "80%";
box.style.height = "80%";
box.style.backgroundColor = "white";
box.style.border = "solid 1px black";
let result = document.createElement('div');
result.style.wordBreak = "break-all";
result.innerHTML = playerBiggest == biggest ? "Win" : "Lose";
result.innerHTML += "<br>Plays: "+p+" out of "+n;
result.innerHTML += "<br>You choose: "+playerBiggest;
result.innerHTML += "<br>The biggest: "+biggest;
let reset = document.createElement('button');
reset.innerHTML = "reset";
reset.addEventListener("click", function(){
hideModal();
init();
});
box.appendChild( result );
box.appendChild( reset );
modal.appendChild( box );
document.body.appendChild( modal );
}
const isBigger = function(a, b){
if( a === b )
return false
if( a.length > b.length ){
return true;
}else if( a.length < b.length ){
return false;
}else{
const r = /\./g;
a = a.replace(r, ''), b = b.replace(r, '');
for(let i = 0, end = a.length; i < end; i++){
const n1 = a[i], n2 = b[i];
if( n1 > n2 ){
return true;
}else if( n1 < n2 ){
return false;
}
}
}
}
const init = function(){
document.body.innerHTML = "";
const check = {};
numbers = {};
p = 0;
biggest = null;
playerBiggest = null;
main = document.createElement('div');
main.id = "main";
const status = document.createElement('div');
status.id = "status";
status.style.width = "100%";
status.style.display = "flex";
status.style.alignItems = "center";
status.style.justifyContent = "space-around";
const plays = document.createElement('div');
plays.style.textAlign = "center";
plays.innerHTML = "Plays<br>"+p;
plays.width = "20%";
const history = document.createElement('div');
history.id = "history";
history.innerHTML = "<br>";
history.style.display = "block";
history.style.textAlign = "left";
history.style.height = "150px";
history.style.width = "80%";
history.style.overflowY = "scroll";
const done = document.createElement('button');
done.innerText = "I'm done";
done.addEventListener('click', function(){
if( !playerBiggest )
return
showModal();
});
const computer = document.createElement('button');
computer.innerText = "Computer";
computer.addEventListener('click', function(){
computerPlay();
});
const bottom = document.createElement('div');
bottom.style.width = "100%";
bottom.style.display = "flex";
bottom.style.flexDirection = "row";
bottom.style.alignItems = "center";
bottom.style.justifyContent = "space-around";
let i = 0;
while(i < n){
const number = getRandomBigNumber();
if( !check[number] ){
if( !biggest || isBigger(number, biggest) )
biggest = number;
check[number] = true;
numbers[i] = number;
let btn = document.createElement('button');
btn.dataset.id = i;
btn.innerText = i;
main.appendChild( btn );
i++;
}
}
status.appendChild( plays );
status.appendChild( history );
document.body.appendChild( status );
document.body.appendChild( main );
bottom.appendChild( computer );
bottom.appendChild( done );
document.body.appendChild( bottom );
main.addEventListener('click', function(e){
if( e.target.dataset.id ){
plays.innerHTML = "Plays<br>"+(++p);
playerBiggest = numbers[ e.target.dataset.id ];
history.innerHTML = "<span>"+e.target.dataset.id+" - "+numbers[ e.target.dataset.id ]+"</span><br>"+history.innerHTML;
e.target.disabled = true;
if( p == n )
showModal();
}
});
}
init();
const selectPlay = function(){
if( p == n ){
showModal();
return null;
}
const btns = main.children;
let ok = false, btn;
while(!ok){
btn = btns[ Math.floor( Math.random() * btns.length ) ];
if( !btn.disabled )
ok = true;
}
return btn;
}
const computerPlay = function(){
init();
let myBiggest, btn;
let m = Math.ceil(n / Math.E);
for(let i = 0; i < m; i++){
btn = selectPlay();
btn.click();
if( !myBiggest || isBigger( numbers[ btn.dataset.id ], myBiggest) )
myBiggest = numbers[ btn.dataset.id ];
}
while(1){
btn = selectPlay();
if( !btn )
break;
btn.click();
if( isBigger( numbers[ btn.dataset.id ], myBiggest ) ){
break;
}
}
showModal();
}