Task2_js

function check_Solution(solution_str)             //for checking the solution
{

    box = false
    highlight = false
    for (i = 1; i <= solution_str.length; i++) 
  {
		document.getElementById("square" + i).style.background = ""
        if (document.getElementById("square" + i).value != solution_str.substr(i - 1, 1)) 
		{
			if (box == false) 
			{
				highlight = confirm("The solution is incorrect.  Would you like to highlight all incorrect entry?")
				box = true
			}

			if (highlight == true) 
			{
				document.getElementById("square" + i).style.border = "3px solid red"
				document.getElementById("square" + i).style.background = "#ff8888"
	        }
        }
    }
		if (box == true) 
		{
			return false;
		}
    alert("Solution correct!")
    return true
}

function fill_Solution(solution_str)                //for filling in the solution
{

    for (var i = 1; i <= solution_str.length; i++) 
	{
		document.getElementById("square" + "" + i).style.background = ""
		document.getElementById("square" + "" + i).value = solution_str.substr(i - 1, 1)
    }
}