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1 | - | function displayCanvas() { |
1 | + | if (isNaN(chas) || isNaN(mins)) { |
2 | - | var chas = +document.getElementById("hours").value; |
2 | + | alert("Руки бы поломать таким"); |
3 | - | var mins = +document.getElementById("minutes").value; |
3 | + | |
4 | - | var canvasHTML = document.getElementById('myCanvas'); |
4 | + | |
5 | - | var contextHTML = canvasHTML.getContext('2d'); |
5 | + | if (chas > 24 || mins > 24) { |
6 | - | contextHTML.strokeRect(0, 0, canvasHTML.width, canvasHTML.height); |
6 | + | alert("Руки бы поломать таким"); |
7 | - | |
7 | + | |
8 | - | //Расчет координат центра и радиуса часов |
8 | + | } |