헥사코드랜덤조합

	
    var hex = document.getElementById('hex');//html의 id값 긁어오기
    var btn = document.getElementById('btn');
    
    btn.addEventListener('click',function(){
    
    	var arr = [0,1,2,3,4,5,6,7,8,9,"a","b","c","d","e","f"];
        var color='#';
        
        for(var i = 0; i<6; o++){
        	
            var random = Math.floor(Math.random() * arr.length); //'*6' 0~5까지
            color +=arr[random];
                
        }
        document.body.style.backgroundColor = color;
        hex.textContent = color;
        
    });
    
    //
    
      btn.addEventListener('click',createColor);
      
      function createColor(){
    
    	var arr = [0,1,2,3,4,5,6,7,8,9,"a","b","c","d","e","f"];
        var color='#';
        
        for(var i = 0; i<6; o++){
        	
            var random = Math.floor(Math.random() * arr.length); //'*6' 0~5까지
            color +=arr[random];
                
        }
        document.body.style.backgroundColor = color;
        hex.textContent = color;
        
    };