Users with mobility issues _______.     a. Have concerns using mouse       b. Have attention deficient      c. Are color blind     d. Need audio transcripts The _______ function determines whether a value is an illegal number (Not-a-Number).     a. NoN()   b. isNoN()       c. NaN()     d. isNaN() Which of the following properties of arrays gives the number of elements in an array?     a. count     b. length         c. capacity   d. size       Which of the following functions is used to determine when the web page’s DOM has been fully loaded by the browser?     a. $(document).ready()     b. $(document).load()     c. $(document).onload()     d. $(document).finishLoaded()

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