javascript - Converting ascii to text -

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How do I take an ASCII code and convert it to my character using Javascript? I am in the nested loop and need to label each loop 1A, 2A, 1B, 2B, etc., and I would like to save every character from code coding using the statements.

You can use 

  String.fromCharCode (ascii_value)   
 This is a plain JavaScript though. If you want to use the hex number, then convert them to decimal before using parseInt, such as:  
  parseInt ("ff", 16)

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