html - 2D array improperly filled and undefined in JavaScript -


I am writing a function with two sub-functions: print a 2D head with two values ​​in the form To print the 2D array, at this point, I am trying to use the variable with integer values ​​to fill 2D array, but they are not being filled properly < P> After creating 2D array in any way, I can test the 2D array 'Two Deere' to print Try areas do, but it's undefined comes up? 

  function isalid (frm) {var xValue = document.getElementById ("X") value; Var yValue = document.getElementById ("Y"). value; If (excl   
 I have created a jsfiddle account, but it does not work the same way on the site:.  
 Fix:  
  function isValid (frm) {var xValue = document.getElementById ("X") value; Var yValue = document.getElementById ("Y"). value; Var Length of 2 Dares = (yValue - xValue); Var twoDarray = new array (lengthwise 2dir); If (excl    
 
 
 are being undefined on you  two stars  because the array is declared and created inside  gen2Darray ()  but you are trying to access it from  print_2d_string_array ()  .   If you enter your  var twoDarray = new array ();  You should solve the undefined error of  xValue  and  yValue  announcements  
  
  function is valid (frm) {var xValue = document.getElementById ("X"). Values; Var yValue = document.getElementById ("Y"). value; Var length 2 hours; Var twoDarray = []; If (excl

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