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szamrendszer.js

@@ -0,0 +1,20 @@
+function convertNumber(num) {
+    if (isNaN(num)) {
+        return "Please enter a valid number.";
+    }
+
+    return {
+        binary: num.toString(2), 
+        decimal: num.toString(10),
+        hexadecimal: num.toString(16).toUpperCase() 
+    };
+}
+
+const number = 255;
+console.log(convertNumber(number));
+
+{
+    "binary"; "11111111",
+    "decimal"; "255",
+    "hexadecimal"; "FF"
+}