Update szamrendszer.js
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szamrendszer.js
194
szamrendszer.js
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@ -1,20 +1,174 @@
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function convertNumber(num) {
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if (isNaN(num)) {
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return "Please enter a valid number.";
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}
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return {
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binary: num.toString(2),
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decimal: num.toString(10),
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hexadecimal: num.toString(16).toUpperCase()
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};
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}
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const number = 255;
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console.log(convertNumber(number));
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{
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"binary"; "11111111",
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"decimal"; "255",
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"hexadecimal"; "FF"
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}
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$(document).ready(function(){
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var inputNumber = 0;
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var selectedOption = "";
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var answer = 0;
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$("#inputNumber").keyup(function(){
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inputNumber = $(this).val();
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setAnswer("");
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activeDieactiveBtn();
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})
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$("#fromTo").change(function(){
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selectedOption = $(this).val();
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activeDieactiveBtn();
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})
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$("#convertBtn").click(function(){
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if(selectedOption == "decimal to binary" && inputNumber != ""){
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answer = convertDecimalToBinary(inputNumber);
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setAnswer(answer);
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}else if(selectedOption == "binary to decimal" && inputNumber != ""){
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answer = convertBinaryToDecimal(inputNumber);
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setAnswer(answer);
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}else if(selectedOption == "decimal to hexadecimal" && inputNumber != ""){
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answer = convertDecimalToHexadecimal(inputNumber);
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setAnswer(answer);
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}else if(selectedOption == "hexadecimal to decimal" && inputNumber != ""){
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answer = convertHexadecimalToDecimal(inputNumber);
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setAnswer(answer);
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}else if(selectedOption == "binary to hexadecimal" && inputNumber != ""){
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var decimalVal = convertBinaryToDecimal(inputNumber);
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answer = convertDecimalToHexadecimal(decimalVal);
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setAnswer(answer);
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}else if(selectedOption == "hexadecimal to binary" && inputNumber != ""){
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var decimalVal = convertHexadecimalToDecimal(inputNumber);
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answer = convertDecimalToBinary(decimalVal);
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setAnswer(answer);
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}else{
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resetAll();
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}
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})
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$("#resetBtn").click(function(){
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resetAll();
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})
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})
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function activeDieactiveBtn(){
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var inputNumber = $("#inputNumber").val();
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var selectedOption = $("#fromTo").val();
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if(inputNumber != "" && selectedOption != ""){
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$("#convertBtn").prop("disabled",false);
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}else{
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$("#convertBtn").prop("disabled",true);
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}
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if(inputNumber != "" || selectedOption != ""){
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$("#resetBtn").prop("disabled",false);
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}else{
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$("#resetBtn").prop("disabled",true);
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}
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}
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function setAnswer(answer){
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$("#showAnswer").html(answer);
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}
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function resetAll(){
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$("#convertBtn").prop("disabled",true);
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$("#showAnswer").html("");
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$("#inputNumber").val("");
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$("#fromTo").val("").change();
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$(this).prop("disabled",true);
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}
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// main functions
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function convertDecimalToBinary(inputNumber){
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var answer = "";
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if(!isNaN(inputNumber)){
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inputNumber = Number(inputNumber);
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var remainder = 0;
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while(inputNumber != 0){
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remainder = inputNumber % 2;
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inputNumber = ((inputNumber - remainder) / 2);
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answer = remainder + answer;
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}
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}else{
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answer = '<span style="color: red;">This is not decimal number!</span>';
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}
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return answer;
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}
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function convertBinaryToDecimal(inputNumber){
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inputNumber = inputNumber.toString();
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var numberLen = inputNumber.length;
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var position = numberLen;
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var answer = 0;
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for(var i = 0; i < numberLen; i++){
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if(inputNumber[i] == '0' || inputNumber[i] == '1'){
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position--;
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answer = answer + ( Number(inputNumber[i]) * Math.pow(2, position) );
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}else{
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answer = '<span style="color: red;">This is not binary number!</span>';
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}
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}
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return answer;
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}
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function convertDecimalToHexadecimal(inputNumber){
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inputNumber = Number(inputNumber);
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var remainder = 0;
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var answer = "";
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if(!isNaN(inputNumber)){
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inputNumber = Number(inputNumber);
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while(inputNumber != 0){
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remainder = inputNumber % 16;
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inputNumber = ((inputNumber - remainder) / 16);
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if(remainder == 10){
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answer = 'A' + answer;
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}else if(remainder == 11){
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answer = 'B' + answer;
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}else if(remainder == 12){
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answer = 'C' + answer;
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}else if(remainder == 13){
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answer = 'D' + answer;
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}else if(remainder == 14){
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answer = 'E' + answer;
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}else if(remainder == 15){
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answer = 'F' + answer;
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}else{
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answer = remainder + answer;
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}
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}
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}else{
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answer = '<span style="color: red;">This is not decimal number!</span>';
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}
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return answer;
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}
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function convertHexadecimalToDecimal(inputNumber){
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inputNumber = inputNumber.toString();
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var numberLen = inputNumber.length;
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var position = numberLen;
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var answer = 0;
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for(var i = 0; i < numberLen; i++){
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var num = inputNumber[i];
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if(num == 'A'){
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num = 10;
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}else if(num == 'B'){
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num = 11;
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}else if(num == 'C'){
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num = 12;
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}else if(num == 'D'){
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num = 13;
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}else if(num == 'E'){
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num = 14;
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}else if(num == 'F'){
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num = 15;
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}else if(num >= '0' && num <= '9'){
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num = Number(num);
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}else{
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answer = '<span style="color: red;">This is not Hexadecimal number!</span>';
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return answer;
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}
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position--;
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answer = answer + (num* Math.pow(16,position));
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}
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return answer;
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}
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