using java script write a program with the following functions Function 2: Calculate Remainderfunction _two (dividend, divisor)Create a JavaScript function that meets the following requirements:Is passed two integer parameters, one representing a dividend, and the other a divisor.• The function is NOT permitted to use the % (mod) operator• The function can use any combination of +, -, * or / to solve the problemThe function displays the calculated remainder (console log) as illustrated below:The function returns the result of the calculation back to the caller.Calling two(9, 3)The calculated modulus value is: eCalling _two(9, 8)undefinedCalling _two(-9, 3)unsigned nunbers supported onlyFunction 3: Volume of Cylinderfunction _three (radius, height)Create a JavaScript function that meets the following requirements:• Receives two parameters, one representing a radius value, the other a height valueo The function can safely assume, all parameters passed are represented in meters (m).The function calculates the volume of a cylinder and returms the value back to its caller.The function always displays the calculated volume, rounded to two significant digitsThe function displays the calculated information (console log) as illustrated below:The function returns the calculated volume back to the callerCalling _three(5, 25)The calculated volume is: 1963.50Calling _three(0, 25)The calculated volume is: 0.00Calling _three(-5, 25)Radius and height must be greater than 8 function( array)Create a JavaScript function that meets the following requirements:Receives a variable length array of numbers, representing student grades in a courseThe function traverses the array to determine the number of passing and failing grades.O A passing grade, is grade greater than or equal to 50The function displays the count (console log) for the number passing grades, failing grades and overallclass average as illustrated below• Average class grade is rounded to 1 decimal pointThe function returns the array containing the number of passing grades, the number of failing grades, andthe overall averages of the grades, respectively, back to the callerCalling _four([50,51,80,45])The number of passing grades: 3, failing grades: 1, and class average: 56.5Calling _four([35,45,25,18,6,33])The number of passing grades: 0, failing grades: 6, and class average: 25.7Calling _four([80,90])The number of passing grades: 2, failing grades: 0, and class average: 85.8Function 5: Count Occurrencesfunction(text, pattern)Create a JavaScript function that meets the following requirements:• Accepts two string parameters, a principal string and pattern string.• The function determines if the pattern string exists within the principal string.The function displays the result (console log) as illustrated below.The function returns a Boolean back to the caller, indicating if the pattern was found.Calling _five(George Brown, or)The pattern exists in the text stringCalling _five(George Brown, OR)The pattern does not exist in the text stringCalling _five(George Brown, Nancy)The pattern does not exist in the text string

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