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- <html>
- <head></head>
- <body>
- <form id="form"></form>
- <br/>Possible solutions:
- <ul id="ul"></ul>
- </body>
- <script src="http://code.jquery.com/jquery-latest.min.js"></script>
- <script type="text/javascript">
- var questions = [
- { bools:[1,1,1,1,0,0,0,0], text:"Printer does not print" },
- { bools:[1,1,0,0,1,1,0,0], text:"A red light is flashing" },
- { bools:[1,0,1,0,1,0,1,0], text:"Printer is unrecognized" },
- ];
- var answers = [
- { bools:[0,0,1,0,0,0,0,0], text:"Check the power cable" },
- { bools:[1,0,1,0,0,0,0,0], text:"Check the printer-computer cable" },
- { bools:[1,0,1,0,1,0,1,0], text:"Ensure printer software is installed" },
- { bools:[1,1,0,0,1,1,0,0], text:"Check/replace ink" },
- { bools:[0,1,0,1,0,0,0,0], text:"Check for paper jam" },
- ]
- $(document).ready(function() {
- // Init form with questions. "Value" is a descending power of 2.
- var value = questions[0].bools.length;
- for (var i = 0; i < questions.length; i++) {
- value /= 2;
- var el = '<br /><input type="checkbox" value="' + value + '">' + questions[i].text;
- $("#form").append(el);
- }
- // Respond to a checkbox action.
- $('input:checkbox').change(function() {
- // Figure out which combination of checkboxes the user selected.
- var sum = 0;
- $('input:checkbox:checked').each(function () {
- sum += Number(this.value);
- });
- // Translate sum into an index (column #) into bools.
- var index = questions[0].bools.length - sum - 1;
- // Clear the answers.
- $('#ul').html('');
- // Add appropriate answers.
- for (var i = 0; i < answers.length; i++) {
- if (answers[i].bools[index]) {
- $('#ul').append('<li>' + answers[i].text + '</li>')
- }
- }
- });
- });
- </script>
- </html>
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