For the following code below When the user is prompted to ask for the 'size' I only want a numerical value to be accepted (example if the user enters X a pop up will be shown saying invalid option, chose a number '4' gets entered and the program continues down) I assume an If statement is needed but not entirely sure how to input that Test page var size prompt('Enter a size') var inputA prompt ('Enter favorite Animal') var inputB prompt ('Enter number value of how many you want') var inputC prompt ('Enter favorite color') var art for (var x 0 x size x ) for (var y 0 y size y ) if ((x y) 2 0 ) art inputA ' ' else art inputB ' ' art inputC ' ' document getElementById('myParagraph') innerHTML ' ' art

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For the following code below  When the user is prompted to ask for the 'size' I only want a numerical value to be accepted (example if the user enters  X  a pop up will be shown saying invalid option, chose a number  '4' gets entered and the program continues down) I assume an If statement is needed but not entirely sure how to input that   Test page var size   prompt('Enter a size')  var inputA   prompt ('Enter favorite Animal')  var inputB   prompt ('Enter number value of how many you want')  var inputC   prompt ('Enter favorite color')  var art       for (var x   0  x   size  x  )  for (var y   0  y   size  y  )  if ((x y) 2   0 )  art    inputA   ' '    else  art    inputB   ' '      art    inputC   ' '    document getElementById('myParagraph') innerHTML    ' '   art

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For the following code below. When the user is prompted to ask for the 'size' I only want a numerical value to be accepted (example

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