![]() ![]() Load - already mentioned loads the serial format, but one other point to make is that if you are manually entering a problem, the digits will appearĪs user entered, but by clicking the Load button, it will "convert" them to givens.Clear - basically clears every cell including givens.Is automatically updated, and if the Load button is pressed, then whatever text is in the text box is loaded into the board.Īll the buttons are located to the right of the board and are as follows: As the user enters new digits, the serial format On the board in order from top to bottom and left to right with empty cells represented by a ".". This is a common format used by Sudoku programs and is simply each digit The user enters a digitīy just typing the digit and clears it by typing the 0 digit.īelow the board is a text box containing the serial format of the board data. The current cell has a pink background and it can be changed by using the mouse to click in a cell or using the keyboard arrow keys. "Singles" are shown in a red font - note singles is a standard Sudoku term and refers to a case where an allowed value is the only possible one. Each cell on the board has the allowed values shown in the background in a very The "givens" are in a darker font while the user entered digits are lighter. ![]() ![]() The main element is the board which shows the 9 x 9 grid divided into 3 x 3 "squares". Interested in mechanically working through various solving techniques and more interested in coding up a solver to do it for me - particularly when I hit a hard problem!Ī screenshot of the application below shows the main elements. My wife actually got me interested in the game - I learned the basic rules for solving and quickly decided that I was less I don't think I really need to say much about Sudoku except that it is a very popular and addictive game and there have been many articles published about This is my third article about HTML5/JavaScript, each article being more complicated than the previous and really just a series of learning steps for myself. The entire program is in one HTML file and it uses JavaScript and the new HTML5 Canvas element. This article describes an HTML5 Sudoku solver. ![]()
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