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Sep 16th, 2019
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  1. var str = prompt("Dawaj łańcuch");
  2. str = str.toUpperCase().trim();
  3. var sekw=[]
  4. var kompl=[]
  5. for (var i=0;i<((str.length)/3);i++) {
  6. if (str.slice((i*3),(i*3)+3)=="ATG") {
  7. sekw[i]="<b>"+str.slice((i*3),(i*3)+3)+"</b>";
  8. } else if (str.slice((i*3),(i*3)+3)=="TAA" || str.slice((i*3),(i*3)+3)=="TAG" || str.slice((i*3),(i*3)+3)=="TGA") {
  9. sekw[i]="<span>"+str.slice((i*3),(i*3)+3)+"</span>";
  10. }
  11. else{
  12. sekw[i]=str.slice((i*3),(i*3)+3);
  13. }
  14. }
  15. document.write(sekw.join(" "))
  16. document.write("<br><strong>Nić komplementarna:</strong><br>")
  17.  
  18. /*
  19. for (var i=0;i<str.length;i++) {
  20. console.log(str[i])
  21. if (str[i]=="A") {str[i]="T"}
  22. else if (str[i]=="T") {str[i]="A"}
  23. else if (str[i]=="C") {str[i]="G"}
  24. else if (str[i]=="G") {str[i]="C"}
  25. }
  26. /*for (var i=0;i<((str.length)/3);i++) {
  27. if (str.slice((i*3),(i*3)+3)=="TAC") {
  28. kompl[i]="<b>"+str.slice((i*3),(i*3)+3)+"</b>";
  29. } else if (str.slice((i*3),(i*3)+3)=="ATT" || str.slice((i*3),(i*3)+3)=="ATC" || str.slice((i*3),(i*3)+3)=="ACT") {
  30. kompl[i]="<span>"+str.slice((i*3),(i*3)+3)+"</span>";
  31. }
  32. else{
  33. kompl[i]=str.slice((i*3),(i*3)+3);
  34. }
  35. }*/
  36. document.write(str)
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