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simple_calculator.php
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<!DOCTYPE HTML>
<html>
<head>
<title>Lucky Mathematician</title>
</head>
<body>
<div class="container" id="main_div">
<div id="div_1" ></div>
<div id="div_2" ></div>
<input id="result_try" type="number" />
<form id="my_form">
<input type ="submit" class="btn btn-success" value="Check your knowledge!" />
</form>
<form id="my_deletion" >
<input type ="submit" class="btn btn-info" value="Reset"/>
</form>
<div id="my_result"></div>
<div id="score"></div>
</div>
</body>
<script>
window.onload = function(){
document.getElementById('my_result').innerHTML = "Result -> " + getCookie("current_result");
var first_random = Math.floor((Math.random() * 10) + 1);
var second_random = Math.floor((Math.random() * 100) + 1);
var result = parseInt(document.cookie);
loadTwoRandoms();
checkCookie();
document.getElementById("my_form").addEventListener("submit", check);
document.getElementById("my_deletion").addEventListener("submit",deleteCookies);
function deleteCookies(){
setCookie("current_result",0,30);
}
function check(){
console.log(first_random);
var result = parseInt(getCookie("current_result"));
console.log(result);
var try_number = parseInt(document.getElementById('result_try').value,10);
var score = document.cookie;
if (try_number == first_random+second_random){
document.getElementById('my_result').innerHTML = "Bravo!";
result +=1 ;
setCookie("current_result",result,30);
} else {
document.getElementById('my_result').innerHTML = "Nope...";
result -=1 ;
setCookie("current_result",result,30);
}
}
function loadTwoRandoms(){
console.log("random loaded here");
var field1 = document.getElementById('div_1');
var field2 = document.getElementById('div_2');
field1.innerHTML = first_random;
field2.innerHTML = second_random;
}
function setCookie(cname,cvalue,exdays) {
var d = new Date();
d.setTime(d.getTime() + (exdays*24*60*60*1000));
var expires = "expires=" + d.toGMTString();
document.cookie = cname+"="+cvalue+"; "+expires;
}
function getCookie(cname) {
var name = cname + "=";
var ca = document.cookie.split(';');
for(var i=0; i<ca.length; i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1);
if (c.indexOf(name) == 0) {
return c.substring(name.length, c.length);
}
}
return "";
}
function checkCookie() {
var score = getCookie("current_result");
if (score != "") {
} else {
result = 0;
if (score != "" && score != null) {
setCookie("current_result", score, 30);
}
}
}
};
</script>
<style>
#my_result{
background-color:yellow;
}
#main_div {
outline: 1px solid orange;
position:absolute;
width:40%;
height:40%;
z-index:15;
top:10%;
left:10%;
margin:-100px 0 0 -150px;
background:red;
}
button, input {
margin: 10px;
padding: 10px;
}
div{
margin-top: 15px;
margin-bottom:15px;
font-family: 'Oswald', sans-serif;
font-size: 22px;
}
</style>
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<link href='https://fonts.googleapis.com/css?family=Oswald' rel='stylesheet' type='text/css'>
</html>