Match the JavaScript functions and methods to the descriptions
I. prompt() A. Tests to see if user input is a number
II. isNaN() B. Converts a string input into a decimal number
III. parseFloat() C. Allows user input to be either upper or lower case
IV. toUpperCase() D. Pops up a window with a message
V. alert() E. Creates a pop-up input window
E, A, B, C, D
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