HTML:
<div id="mainNumbers"></div>
<div id="extraNumbers"></div>
<div id="selected_mainNumbers"></div>
<div id="selected_extraNumbers"></div>
<br /> <button id="generateNumbers">Generate random numbers</button>
<br /> <button id="clearNumbers">Clear selected</button>
CSS:
#mainNumbers, #extraNumbers{
margin:5px;
padding:16px;
background:#345;
}
#mainNumbers div,
#extraNumbers div,
#selected_mainNumbers div,
#selected_extraNumbers div
{
cursor:pointer;
display:inline;
background:#eee;
padding:5px 10px;
border-radius:10px;
margin:3px;
}
#selected_mainNumbers, #selected_extraNumbers{
margin-top:5px;
padding:16px;
height:20px;
background:#789;
}
.selectedNum{
opacity:0.5;
}
#selected_mainNumbers div,
#selected_extraNumbers div{
opacity:1;
background:gold;
}
jQuery:
// generate buttons with numbers
for(i=1;i<=15;i++){
var appendWhile= i<=10 ?
$('#mainNumbers').append('<div>'+ i +'</div>') :
$('#extraNumbers').append('<div>'+ i +'</div>') ;
}
// create arrays for selected numbers
var mainNumbers=[], extraNumbers=[];
// function print array ///
function printArray(name, arrName){
$('#selected_'+name).empty();
for(a=0;a<arrName.length;a++){
$('#selected_'+name).append('<div>'+ arrName[a]+'</div>');
}
}
// select function ////////
function selectNum(clickedElement, name, len){
var arrName = window[name]; // convert string to var
var num = parseInt( $(clickedElement).text(), 10 );
if( arrName.length < len && $.inArray(num,arrName) == -1 ) {
arrName.push(num);
arrName.sort(function(a,b){return a-b;}); // sort numerically
printArray(name, arrName);
$(clickedElement).addClass('selectedNum');
}else{
$(clickedElement).parent().fadeTo(0,0.3).fadeTo(400,1); // visually alert array is full
}
}
// remove function ///////////
function removeFromArr(clickedElement,arrName){
var num = parseInt( $(clickedElement).text(), 10 );
for(i=0;i<arrName.length;i++){
if(arrName[i]==num){
arrName.splice(i,1);
$(clickedElement).remove();
}
}
}
// clear function
function clearAll(){
mainNumbers=[], extraNumbers=[]; // reset arrays
$('#selected_mainNumbers, #selected_extraNumbers').empty(); // remove selected buttons
$('.selectedNum').removeClass(); // reset 'selected' states
}
// clicks ////////////////////
$('#mainNumbers, #extraNumbers').on('click','div',function(){
var len = $(this).parent().attr('id')=='mainNumbers' ? 5 : 2;
selectNum( $(this), $(this).parent().attr('id'), len );
});
$('#selected_mainNumbers, #selected_extraNumbers').on('click','div',function(){
var arrName = $(this).parent().attr('id').split('selected_')[1];
$('#'+arrName).find('div:contains('+$(this).text()+')').removeClass('selectedNum');
removeFromArr( $(this), window[arrName] );
});
// clear all /////////////////
$('#clearNumbers').click(function(){
clearAll();
});
// generate random ///////////
$('#generateNumbers').click(function(){
clearAll();
for(r=0;r<5;r++){
var n = Math.ceil(Math.random() * 10);
while ($.inArray(n, mainNumbers) > -1){ // loop until no match found
n = Math.ceil(Math.random() * 10);
}
mainNumbers[r] = n;
$('#mainNumbers div').eq(n-1).addClass('selectedNum');
}
for(rr=0;rr<2;rr++){
var nn = Math.ceil(Math.random() * (15-10)+10);
while ($.inArray(nn, extraNumbers) > -1){
nn = Math.ceil(Math.random() * (15-10)+10);
}
extraNumbers[rr] = nn;
$('#extraNumbers div').eq(nn-10-1).addClass('selectedNum');
}
mainNumbers.sort(function(a,b){return a-b;}); // sort array
extraNumbers.sort(function(a,b){return a-b;}); // sort array
printArray( 'mainNumbers', mainNumbers );
printArray('extraNumbers', extraNumbers);
});