jQuery plugin to implement minesweeper game (2)

* {
 margin: 0px;
 padding: 0px;
 font-size: 12px;
}

#div {
 position: fixed;
 top: 10px;
 bottom: 10px;
 left: 10px;
 right: 10px;
 border: 1px solid lightgray;
 border-radius: 5px;
 display: flex;
 justify-content: center;
 align-items: center;
 overflow: hidden;
}

#box {
 border: 1px solid lightgray;
 border-radius: 5px;
}

.row {
 white-space: nowrap;
 height: 30px;
}

.item {
 display: inline-flex;
 justify-content: center;
 align-items: center;
 height: 30px;
 width: 30px;
 border-right: 1px solid lightgray;
 border-bottom: 1px solid lightgray;
 cursor: pointer;
 position: relative;
}
.item.num1::after{
 content: '1';
 color: #1abc9c;
 position: absolute;
 top: 0;
 bottom: 0;
 left: 0;
 right:0;
 display: flex;
 justify-content: center;
 align-items: center;
 z-index: 2;
}
.item.num2::after{
 content: '2';
 color: #2ecc71;
 position: absolute;
 top: 0;
 bottom: 0;
 left: 0;
 right:0;
 display: flex;
 justify-content: center;
 align-items: center;
 z-index: 2;
}
.item.num3::after{
 content: '3';
 color: #3498db;
 position: absolute;
 top: 0;
 bottom: 0;
 left: 0;
 right:0;
 display: flex;
 justify-content: center;
 align-items: center;
 z-index: 2;
}
.item.num4::after{
 content: '4';
 color: #9b59b6;
 position: absolute;
 top: 0;
 bottom: 0;
 left: 0;
 right:0;
 display: flex;
 justify-content: center;
 align-items: center;
 z-index: 2;
}
.item.num5::after{
 content: '5';
 color: #f1c40f;
 position: absolute;
 top: 0;
 bottom: 0;
 left: 0;
 right:0;
 display: flex;
 justify-content: center;
 align-items: center;
 z-index: 2;
}
.item.num6::after{
 content: '6';
 color: #e67e22;
 position: absolute;
 top: 0;
 bottom: 0;
 left: 0;
 right:0;
 display: flex;
 justify-content: center;
 align-items: center;
 z-index: 2;
}
.item.num7::after{
 content: '7';
 color: #e74c3c;
 position: absolute;
 top: 0;
 bottom: 0;
 left: 0;
 right:0;
 display: flex;
 justify-content: center;
 align-items: center;
 z-index: 2;
}
.item.num8::after{
 content: '8';
 color: #34495e;
 position: absolute;
 top: 0;
 bottom: 0;
 left: 0;
 right:0;
 display: flex;
 justify-content: center;
 align-items: center;
 z-index: 2;
}
.item.boom{
 background-image: url(../img/boom.png);
 background-size: 60% 60%;
 background-repeat: no-repeat;
 background-position: center center;
}
.item::before{
 position: absolute;
 content: '';
 top: 0.5px;
 left:0.5px;
 bottom: 0.5px;
 right: 0.5px;
 background-color: gray;
 z-index: 3;
}
.item.click::before{
 content: none;
}
.item:hover{
 outline: 1px solid #2c3e50;
}

#menu {
 border-bottom: 1px solid lightgray;
 position: absolute;
 top: 0;
 left: 0;
 right: 0;
 height: 30px;
 display: flex;
 background-color: white;
 z-index: 10;
}
.mitem{
 flex: 1;
 display: flex;
 justify-content: center;
 align-items: center;
}
.sl{
 border: none;
 border-bottom: 1px solid lightgray;
 outline: none;
 width: 60%;
 height: 80%;
}
.btn{
 border: none;
 border: 1px solid lightgray;
 outline: none;
 width: 60%;
 height: 80%;
 background-color: transparent;
 cursor: pointer;
}
.mitem *:hover{
 background-color: lightgray;
}

```javascript
$(document).ready(function() {
 var x = 10; //x axisvar y = 10; //y axisvar c = 10; //number of bombsvar boom = []; //coordinates for generating bombsvar $menu = $("#menu");
 var $box = $("#box");




 //Synchronous parameters $("#x").change(function() {
  x = parseInt($(this).val());
  console.log(x);
 })
 $("#y").change(function() {
  y = parseInt($(this).val());
 })
 $("#c").change(function() {
  c = parseInt($(this).val());
 })
 $(document).on('click', '#box .item', function() {
  $(this).addClass("click");
 })
 $("#pro").click(function() {
  console.log(x,y,c)
  draw();
  draw(); //Draw booms(); //Generate bomb parameters drawbooms(); //Draw bomb drawnum(); //Traverse all blocks and generate prompts })
 draw();//Draw booms();//Generate bomb parameters drawbooms();//Draw bomb drawnum();//Traverse all blocks and generate prompts function draw() { //Draw picture $box.html('');
  for (var a = 0; a < x; a++) {
   var $row = $("<div class='row'></div>");
   for (var b = 0; b < y; b++) {
    var $item = $("<div class='item' data-x='"+a+"' data-y='"+b+"'></div>");
    $item.appendTo($row);
   }
   $row.appendTo($box);
  }
 }
 function drawnum(){
  for(var a = 0;a<x;a++){
   for(var b = 0;b<y;b++){
    var pos = {x:a,y:b};
    //Traverse the situation around this coordinate to see how many bombs there are var s = getscore(pos);
    if(s!=0&&!$dom(pos).hasClass('boom')){
     $dom(pos).addClass('num'+s);
    }
   }
  }
 }
 function getscore(p){
  var index = 0;
  var s1 = boom.find(n=>nx==(px-1)&&n.y==(py-1))
  var s2 = boom.find(n=>nx==(px)&&n.y==(py-1))
  var s3 = boom.find(n=>nx==(p.x+1)&&n.y==(py-1))
  var s4 = boom.find(n=>nx==(px-1)&&n.y==(p.y+1))
  var s5 = boom.find(n=>nx==(px)&&n.y==(p.y+1))
  var s6 = boom.find(n=>nx==(p.x+1)&&n.y==(p.y+1))
  var s7 = boom.find(n=>nx==(px-1)&&n.y==(py))
  var s8 = boom.find(n=>nx==(p.x+1)&&n.y==(py))
  if(s1){index++;}
  if(s2){index++;}
  if(s3){index++;}
  if(s4){index++;}
  if(s5){index++;}
  if(s6){index++;}
  if(s7){index++;}
  if(s8){index++;}
  return index;
 }
 function drawbooms(){
  boom.forEach(item=>{
   $dom(item).addClass('boom');
  })
 }
 function booms(){//Randomly generate bomb parameters var arr = [];
  while(arr.length<c){
   var pos = {x:Math.floor(Math.random()*x),y:Math.floor(Math.random()*y)};
   var temp = arr.find(n=>nx==pos.x&&n.y==pos.y);
   if(!temp){
    arr.push(pos);
   }
  }
  boom = arr;
 }
 function $dom(pos){
  return $("[data-x='"+pos.x+"'][data-y='"+pos.y+"']");
 }
})