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script.js
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script.js
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var width = 100;
var ret=[];
function startCode(){
var num = Number(document.getElementById('number').value);
document.getElementById('number').disabled = true;
width = width/(num+1) ;
if(Number.isNaN(num) || typeof num ==='string' || num<=0 || num>7 || !Number.isInteger(num)){
document.querySelector('.inputSpan').style.display = 'block';
document.getElementById('seven').style.color = 'black';
document.getElementById('next').disabled = true;
document.getElementById('next').style.backgroundColor ="#d6d6d6";
}
else{
document.querySelector(".nab").style.visibility = "visible";
document.getElementById('next').disabled = false;
document.getElementById('next').style.backgroundColor ="#229954";
document.getElementById("shw-n").style.visibility='visible';
document.getElementById("shw-n").innerHTML = num;
document.getElementById('seven').style.color = 'black';
main();
}
}
function start(){
document.getElementById('inputField').style.display = 'block';
document.getElementById('seven').style.color = 'red';
document.getElementById("code").style.visibility='visible';
document.getElementById('start').style.display = "none";
document.getElementById('next').disabled = false;
document.getElementById('next').style.backgroundColor ="#229954";
}
function fib(n){
id.push('one');
if(n == 0){
id.push('two');
return n;
}
else if(n == 1){
id.push('three');
return 1;
}
else{
id.push('four');
ret.push([(n-2),(n-1)]);
return fib(n-2) + fib(n-1);
}
}
var array=[],n,cf=0;
function main(){
var num = Number(document.getElementById('number').value);
var i, fibonacci;
for(i=0; i<=num; i++){
id.push('eight');
id.push('nine');
fibonacci = fib(i);
array.push(fibonacci);
id.push('ten');
}
id.push("eleven");
id.push("twelve");
}
var count=0, id=[], countnine=0;
function hightlight(){
setTimeout(function(){
document.getElementById('next').style.backgroundColor='#229954'; }, 100);
document.getElementById('next').style.backgroundColor='#0F7038';
var num = Number(document.getElementById('number').value);
for(var i=0;i<=count;i++){
document.getElementById(id[i]).style.color='black';
}
if(count<id.length){
document.getElementById(id[count]).style.color = 'red';
if(id[count]=='two') document.querySelector('#innerStack').innerHTML += "<div class='stack'>"+0+"<br>";
if(id[count]=='three') document.querySelector('#innerStack').innerHTML += "<div class='stack'>"+1+"<br>";
if(id[count]=='four'){
if(document.querySelector('#outerStack').innerHTML!=""){
if(cf>2 && cf<=5){
document.querySelector('.fibo').remove();
document.querySelector('#outerStack').innerHTML += "<div class='fibo'>fib("+(ret[cf][0])+")<br>";
document.querySelector('#outerStack').innerHTML += "<div class='fibo'>fib("+(ret[cf][1])+")<br>";
}
else if(cf==8){
document.querySelector('.fibo').remove();
document.querySelector('#outerStack').innerHTML += "<div class='out'><div class='fibo'>fib("+(ret[cf][0])+")<br>";
document.querySelector('#outerStack').innerHTML += "<div class='out'><div class='fibo'>fib("+(ret[cf][1])+")<br>";
}
else if(cf==9 || cf==13||cf==18||cf==21||cf==25||cf==29||cf==33){
document.querySelector('.out:last-child').remove();
document.querySelector('#outerStack').innerHTML += "<div class='out'><div class='fibo'>fib("+(ret[cf][0])+")<br>";
document.querySelector('#outerStack').innerHTML += "<div class='out'><div class='fibo'>fib("+(ret[cf][1])+")<br>";
}
else if(cf==10 ||cf==15||cf==19||cf==27||cf==34){
document.querySelector('.fibo').remove();
document.querySelector('#outerStack').innerHTML += "<div class='outS'><div class='fibo'>fib("+(ret[cf][0])+")<br>";
document.querySelector('#outerStack').innerHTML += "<div class='outS'><div class='fibo'>fib("+(ret[cf][1])+")<br>";
}
else if(cf==11 || cf==12||cf==16||cf==17||cf==20||cf==23||cf==24||cf==28||cf==31||cf==32){
document.querySelector('.outS').remove();
document.querySelector('#outerStack').innerHTML += "<div class='out'><div class='fibo'>fib("+(ret[cf][0])+")<br>";
document.querySelector('#outerStack').innerHTML += "<div class='out'><div class='fibo'>fib("+(ret[cf][1])+")<br>";
}
else if(cf==22||cf==30||cf==39||cf==42||cf==43){
document.querySelector('.outS').remove();
document.querySelector('#outerStack').innerHTML += "<div class='outS'><div class='fibo'>fib("+(ret[cf][0])+")<br>";
document.querySelector('#outerStack').innerHTML += "<div class='outS'><div class='fibo'>fib("+(ret[cf][1])+")<br>";
}
else if(cf==35||cf==40||cf==44){
document.querySelector('.outS').remove();
document.querySelector('#outerStack').innerHTML += "<div class='outC'><div class='fibo'>fib("+(ret[cf][0])+")<br>";
document.querySelector('#outerStack').innerHTML += "<div class='outC'><div class='fibo'>fib("+(ret[cf][1])+")<br>";
}
else if(cf==36||cf==37){
document.querySelector('.outC').remove();
document.querySelector('#outerStack').innerHTML += "<div class='outC'><div class='fibo'>fib("+(ret[cf][0])+")<br>";
document.querySelector('#outerStack').innerHTML += "<div class='outC'><div class='fibo'>fib("+(ret[cf][1])+")<br>";
}
else if(cf==38||cf==41||cf==45){
document.querySelector('.outC:last-child').remove();
document.querySelector('#outerStack').innerHTML += "<div class='outC'><div class='fibo'>fib("+(ret[cf][0])+")<br>";
document.querySelector('#outerStack').innerHTML += "<div class='outC'><div class='fibo'>fib("+(ret[cf][1])+")<br>";
}
else{
document.querySelector('.fibo:last-child').remove();
document.querySelector('#outerStack').innerHTML += "<div class='fibo'>fib("+(ret[cf][0])+")<br>";
document.querySelector('#outerStack').innerHTML += "<div class='fibo'>fib("+(ret[cf][1])+")<br>";
}
}
else{
document.querySelector('#outerStack').innerHTML += "<div class='fibo'>fib("+(ret[cf][0])+")<br>";
document.querySelector('#outerStack').innerHTML += "<div class='fibo'>fib("+(ret[cf][1])+")<br>";
}
cf++;
}
if(id[count]=='eight') {
document.querySelector('#outerStack').innerHTML = "";
document.querySelector('#innerStack').innerHTML = "";
}
if(id[count]=='ten'){
if(countnine > 1){
var cont = document.querySelector(".cont");
document.getElementById("next").disabled = true;
cont.innerHTML += '<div class="some" style = "width:'+width+'%"><div class="fib">Fib('+(countnine)+')</div><div class="a"><b>fib('+(countnine - 2)+')</b></div> <div class="b"><b>fib('+(countnine-1)+')</b></div><div class="c cee"><b>'+array[countnine]+'</b></div> </div>';
document.getElementById("shw-a").innerHTML = "fib("+(countnine - 1)+") = "+ array[countnine - 2];
document.getElementById("shw-b").innerHTML = "fib("+(countnine)+") = "+ array[countnine - 1];
if(num <= 6){
document.querySelector(".a").style.animation = "down 1s";
document.querySelector(".b").style.animation = "up 1s";
}
else{
document.querySelector(".a").style.animation = "downnine 1s";
document.querySelector(".b").style.animation = "upnine 1s";
}
setTimeout(function (){
document.querySelector(".a").remove();
document.querySelector(".b").remove();
document.querySelector(".cee").style.visibility = "visible";
document.querySelector(".cee").classList.remove("cee");
document.getElementById("next").disabled = false;
},1000);
}
else{
var cont = document.querySelector(".cont");
document.getElementById("next").disabled = true;
if(countnine==0){
document.getElementById("sa").style.display='block';
document.getElementById("shw-a").innerHTML = "fib("+(countnine) +") = "+ array[countnine];
}
else{
document.getElementById("sb").style.display='block';
document.getElementById("shw-b").innerHTML = "fib("+(countnine)+") = "+ array[countnine];
}
cont.innerHTML += '<div class="some" style = "width:'+width+'%"><div class="fib">Fib('+(countnine)+')</div> <div class="c cee"><b>'+array[countnine]+'</b></div> </div>';
setTimeout(function (){
document.getElementById("next").disabled = false;
document.querySelector(".cee").style.visibility = "visible";
document.querySelector(".cee").classList.remove("cee");
},500);
}
document.getElementById('res').innerHTML += array[countnine++];
}
count++;
}
if(id[count]=="twelve"){
document.getElementById('next').disabled = true;
document.getElementById('next').style.backgroundColor = "#d6d6d6";
alert('End of function');
var code = document.getElementById('code');
var div = code.getElementsByTagName('div');
for(var i=0;i<div.length;i++){
div[i].style.color='black';
}
}
}
function formula (){
var formulaCont = document.getElementById("form");
if(formulaCont.style.display === "block"){
formulaCont.style.display = "none";
}
else {
formulaCont.style.display = "block";
}
}