Untitled

<html>
	<head>
		<meta charset=utf-8>
	</head>

	<body>
		<script>


		function zad1(){

			var d = new Date();

			var dzien = parseInt(d.getDay());
			var miesiac = parseInt(d.getMonth());
			var godzina = parseInt(d.getHours());

			var tab1 = ["poniedziałek","wtorek","środa","czwartek","piątek","sobota","niedziela"];
			var tab2 = ["Styczen","Luty","Marzec","Kwiecien","Maj","Czerwiec","Lipiec","Sierpien","Wrzesien","Pazdziernik","Listopad","Grudzien"];
			var tab3 = ["pierwsza","druga","trzecia","czwarta","piąta","szósta","siódma","ósma","dziewiąta","dziesiąta","jedenasta","dwunasta"];
			var godz = tab3[godzina-1];
			var pora;
			if(godzina>12){
			pora="po południu";
				godz = tab3[godzina-1- 12];
			}
			else pora="rano";


			document.getElementById('zad1').innerHTML=tab2[miesiac]+" "+tab1[dzien-1]+" godzina "+godz+" "+pora;


		}

		function zad2(){
		for(var i=0;i<6;i++){
			document.getElementById('zad2').innerHTML += Math.floor((Math.random() * 45) + 1)+"<br>";
		}
		}
		function czysc(zad){
			document.getElementById(zad).innerHTML="";
		}

		function zad3(){ //tu sa daty amerykanskie te odwrocone, wiec to popraw bo wywala NaN jesli dzien jest powyzej 12
			var dzien = document.getElementById('dzien').value;
			var miesiac = document.getElementById('miesiac').value;
			var rok = document.getElementById('rok').value;
			var a = new Date(miesiac+"/"+dzien+"/"+rok);
			var b = new Date();
			var data = (a.getMonth()+1)+"/"+a.getDate()+"/"+a.getFullYear();
			var data1 = (a.getDate())+"/"+(a.getMonth()+1)+"/"+a.getFullYear();
			document.getElementById('zad3').innerHTML="Różnica w dniach między "+data1+" a teraz wynosi w:<br>";
			document.getElementById('zad3').innerHTML+="dniach = "+Math.floor(((b-a)/(1000 * 3600 * 24)))+"<br>";
			document.getElementById('zad3').innerHTML+="godzinach = "+Math.floor(((b-a)/(1000 * 3600)))+"<br>";
			document.getElementById('zad3').innerHTML+="minutach = "+Math.floor(((b-a)/(1000 * 60)))+"<br>";
			document.getElementById('zad3').innerHTML+="sekundach = "+Math.floor(((b-a)/1000))+"<br>";
			document.getElementById('zad3').innerHTML+="milisekundach = "+Math.floor((b-a))+"<br>";
		}


		</script>

		<button onclick="zad1()">Pokaż datę</button>
		<button onclick="czysc('zad1')">Czyść</button>
		<p id=zad1></p>
		<button onclick="zad2()">Losowe</button>
		<button onclick="czysc('zad2')">Czyść</button>
		<p id=zad2></p>
		<br>
		<table>
		<tr><td>Dzień</td><td><input type=number min=1 max=31 id=dzien></td></tr>
		<tr><td>Miesiąc</td><td><input type=number min=1 max=12 id=miesiac></td></tr>
		<tr><td>Rok</td><td><input type=number min=1900 max=2019 id=rok></td></tr>
		<tr><td></td><td><button onclick="zad3()">Różnica</button></td></tr>
		</table>
		<p id=zad3></p>


		<script>

		//testowanie obiektu Math
		function mathtest()
		{
			var a = Math.PI;
			document.getElementById('mathpi').innerHTML=a;

			var b = Math.abs(-7);
			document.getElementById('abs').innerHTML=b;

			var c = Math.ceil(5.3);
			document.getElementById('ceil').innerHTML=c;

			var d = Math.floor(5.7);
			document.getElementById('floor').innerHTML=d;

			var e = Math.round(0.5);
			document.getElementById('round').innerHTML=e;

			var f = Math.max(0,2,-3,5,10);
			document.getElementById('max').innerHTML=f;

			var g = Math.min(0,2,-3,5,10);
			document.getElementById('min').innerHTML=g;

			var h = Math.sqrt(16);
			document.getElementById('sqrt').innerHTML=h;

			var i = Math.pow(2,3);
			document.getElementById('pow').innerHTML=i;

			var j = Math.exp(1);
			document.getElementById('exp').innerHTML=j;
		}

		//testowanie obiektu Array
		function arraytest()
		{
			var tab1 = ["a","b"];
			var tab11 = ["c","d"];
			var tab111 = tab1.concat(tab11);
			document.getElementById('concat').innerHTML=tab111;

			var tab2 = [1,2,3,4,5];
			var tab22 = tab2.reverse();
			document.getElementById('reverse').innerHTML=tab22;

			var tab3 = [0,1,2,3,4];
			var tab33 = tab3.length;
			document.getElementById('length').innerHTML=tab33;

			var tab4 = ["a","b","c","d"];
			var tab44 = tab4.pop();
			document.getElementById('pop').innerHTML=tab44;

			var tab5 = ["a","b","c","d"];
			var tab55 = tab5.join();
			document.getElementById('join').innerHTML=tab55;

			var tab6 = ["a","b","c","d"];
			var tab66 = tab6.sort();
			document.getElementById('sort').innerHTML=tab66;

			var tab7 = [1,2,3,4,5,6,7];
			var tab77 = tab7.slice(2,5);
			document.getElementById('slice').innerHTML=tab77;

			var tab8 = [1,2,3,4];
			var tab88 = tab8.push(7);
			document.getElementById('push').innerHTML=tab8;

			function kwadrat(item){
				document.getElementById('foreach').innerHTML+=item*item+" ";
			}
			var tab9 = [2,3,4,5]
			tab9.forEach(kwadrat);

			var tab10 = ["a","b","c","d"];
			tab10.splice(2,0,"e","f");
			document.getElementById('splice').innerHTML=tab10;
		}

		</script>
		<button onclick=mathtest()>Obiekt Math</button><br>
		Pi = <span id='mathpi'></span><br>
		abs(-7) = <span id='abs'></span><br>
		ceil(5.3) = <span id='ceil'></span><br>
		floor(5.7) = <span id='floor'></span><br>
		round(0.5) = <span id='round'></span><br>
		max(0,2,-3,5,10) = <span id='max'></span><br>
		min(0,2,-3,5,10) = <span id='min'></span><br>
		sqrt(16) = <span id='sqrt'></span><br>
		pow(2,3) = <span id='pow'></span><br>
		exp(1) = <span id='exp'></span><br>

		<br>

		<button onclick=arraytest()>Obiekt Array</button><br>
		concat tab1[a,b] tab2[c,d] = <span id='concat'></span><br>
		reverse tab1[1,2,3,4,5] = <span id='reverse'></span><br>
		length tab1[0,1,2,3,4] = <span id='length'></span><br>
		pop tab1[a,b,c,d] = <span id='pop'></span><br>
		join tab1[a,b,c,d] = <span id='join'></span><br>
		sort tab1[d,a,c,b] = <span id='sort'></span><br>
		slice(2,5) tab1[1,2,3,4,5,6,7] = <span id='slice'></span><br>
		push(7) tab1[1,2,3,4] = <span id='push'></span><br>
		foreach(kwadrat) tab1[2,3,4,5] = <span id='foreach'></span><br>
		splice(2,0,"e","f") tab1[a,b,c,d] = <span id='splice'></span><br>

	</body>
</html>