API tools faq
paste
Advertisement
pawn007

khonguy

pawn007
Jul 27th, 2019
130
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
text 2.67 KB | None | 0 0
raw download clone embed print report
  1. <!DOCTYPE html>
  2. <html>
  3. <script>
  4.  
  5. function caesar(){
  6. var num = parseInt(document.getElementById("num").value)
  7. var txt = document.getElementById("txt").value;
  8. var x = [];
  9. if(num>=-26 && num<=26){
  10. for(i=0;i<txt.length;i++){
  11. x[i] = txt.charCodeAt(i)+num;
  12. if(txt.charCodeAt(i)>=65 && txt.charCodeAt(i)<=90){
  13.  
  14. if(x[i]>=65&&x[i]<=90){
  15. x[i]=x[i];
  16. }
  17. else if(x[i]>90){
  18. x[i]=x[i]-26;
  19. }
  20. else if(x[i]<65){
  21. x[i]=x[i]+26;
  22. }
  23.  
  24. }
  25. if(txt.charCodeAt(i)==32){
  26. x[i]=txt.charCodeAt(i);
  27. }
  28.  
  29. if(txt.charCodeAt(i)>=97 && txt.charCodeAt(i)<=122){
  30.  
  31. if(x[i]>=97&&x[i]<=122){
  32. x[i]=x[i];
  33. }
  34. else if(x[i]>122){
  35. x[i]=x[i]-26;
  36. }
  37. else if(x[i]<97){
  38. x[i]=x[i]+26;
  39. }
  40.  
  41. }
  42.  
  43.  
  44. }
  45.  
  46.  
  47. }
  48. else{
  49. document.write("Number must be from -26 to 26, try again :)")
  50. }
  51.  
  52. document.write(String.fromCharCode.apply(null, x))
  53.  
  54. }
  55.  
  56.  
  57. function decaesar(){
  58. var num = parseInt(document.getElementById("num").value)*-1
  59. var txt = document.getElementById("txt").value;
  60. var x = [];
  61. if(num>=-26 && num<=26){
  62. for(i=0;i<txt.length;i++){
  63. x[i] = txt.charCodeAt(i)+num;
  64. if(txt.charCodeAt(i)>=65 && txt.charCodeAt(i)<=90){
  65.  
  66. if(x[i]>=65&&x[i]<=90){
  67. x[i]=x[i];
  68. }
  69. else if(x[i]>90){
  70. x[i]=x[i]-26;
  71. }
  72. else if(x[i]<65){
  73. x[i]=x[i]+26;
  74. }
  75.  
  76. }
  77. if(txt.charCodeAt(i)==32){
  78. x[i]=txt.charCodeAt(i);
  79. }
  80.  
  81. if(txt.charCodeAt(i)>=97 && txt.charCodeAt(i)<=122){
  82.  
  83. if(x[i]>=97&&x[i]<=122){
  84. x[i]=x[i];
  85. }
  86. else if(x[i]>122){
  87. x[i]=x[i]-26;
  88. }
  89. else if(x[i]<97){
  90. x[i]=x[i]+26;
  91. }
  92.  
  93. }
  94.  
  95.  
  96. }
  97.  
  98.  
  99. }
  100. else{
  101. document.write("Number must be from -26 to 26, try again :)")
  102. }
  103.  
  104. document.write(String.fromCharCode.apply(null, x))
  105.  
  106. }
  107. </script>
  108. <head>
  109. <title>Caesar Cipher</title>
  110. </head>
  111. <body>
  112. The shift (number from -26 to 26): <Br>
  113. <input type="tel" id="num"><br><br>
  114. Text to encode / decode: <br>
  115. <input type="text" id="txt"><br><br>
  116.  
  117. <button onclick="caesar()">Encode</button>&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp
  118. <button onclick="decaesar()">Decode</button>
  119.  
  120.  
  121. </body>
  122. </html>
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!