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145 lines
5.8 KiB
JavaScript
145 lines
5.8 KiB
JavaScript
console.log("Hello World");
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// muliplyNum / divideNum
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// getCircleArea / circleArea
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// getAverage / averageVar
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// checkIfPassed
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/*
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1. Create a function called addNum which will be able to add two numbers.
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- Numbers must be provided as arguments.
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- Return the result of the addition.
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*/
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function addNum(a, b) {
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console.log("Displayed sum of " + a + " and " + b);
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return a + b;
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}
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console.log(addNum(5, 15));
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/*
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Create a function called subNum which will be able to subtract two numbers.
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- Numbers must be provided as arguments.
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- Return the result of subtraction.
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Create a new variable called sum.
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- This sum variable should be able to receive and store the result of addNum function.
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Create a new variable called difference.
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- This difference variable should be able to receive and store the result of subNum function.
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Log the value of sum variable in the console.
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Log the value of difference variable in the console.
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*/
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function subNum(a, b) {
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console.log("Displayed difference of " + a + " and " + b);
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return a - b;
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}
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console.log(subNum(20, 5));
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/*
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2. Create a function called multiplyNum which will be able to multiply two numbers.
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- Numbers must be provided as arguments.
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- Return the result of the multiplication.
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Create a function divideNum which will be able to divide two numbers.
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- Numbers must be provided as arguments.
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- Return the result of the division.
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Create a new variable called product.
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- This product variable should be able to receive and store the result of multiplyNum function.
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Create a new variable called quotient.
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- This quotient variable should be able to receive and store the result of divideNum function.
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Log the value of product variable in the console.
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Log the value of quotient variable in the console.
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*/
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function multiplyNum(a, b) {
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console.log("The product of " + a + " and " + b);
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return a * b;
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}
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console.log(multiplyNum(50, 10));
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function divideNum(a, b) {
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console.log("The quotient of " + a + " and " + b);
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return a / b;
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}
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console.log(divideNum(50, 10));
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/*
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3. Create a function called getCircleArea which will be able to get total area of a circle from a provided radius.
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- a number should be provided as an argument.
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- look up the formula for calculating the area of a circle with a provided/given radius.
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- look up the use of the exponent operator.
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- return the result of the area calculation.
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Create a new variable called circleArea.
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- This variable should be able to receive and store the result of the circle area calculation.
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- Log the value of the circleArea variable in the console.
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*/
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function getCircleArea(radius) {
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console.log("The result of getting the area of a circle with " + radius + " radius:")
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return 3.14 * (radius ** 2);
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}
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console.log(getCircleArea(15));
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/*
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4. Create a function called getAverage which will be able to get total average of four numbers.
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- 4 numbers should be provided as an argument.
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- look up the formula for calculating the average of numbers.
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- return the result of the average calculation.
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Create a new variable called averageVar.
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- This variable should be able to receive and store the result of the average calculation
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- Log the value of the averageVar variable in the console.
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*/
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function getAverage(a, b, c, d) {
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return console.log("The average of " + a + "," + b + "," + c + "," + " and " + d + ":"), (a + b + c + d) / 4;
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}
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console.log(getAverage(20,40,60,80));
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/*
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5. Create a function called checkIfPassed which will be able to check if you passed by checking the percentage of your score against the passing percentage.
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- this function should take 2 numbers as an argument, your score and the total score.
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- First, get the percentage of your score against the total. You can look up the formula to get percentage.
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- Using a relational operator, check if your score percentage is greater than 75, the passing percentage. Save the value of the comparison in a variable called isPassed.
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- return the value of the variable isPassed.
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- This function should return a boolean.
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Create a global variable called outside of the function called isPassingScore.
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-This variable should be able to receive and store the boolean result of the checker function.
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-Log the value of the isPassingScore variable in the console.
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*/
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function checkIfPassed(x,y) {
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console.log("Is " + x +"/"+ y +" a passing score?");
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return checkIfPassed = ((x, y) => x + y, true);
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}
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console.log(checkIfPassed(38,50));
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//Do not modify
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//For exporting to test.js
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//Note: Do not change any variable and function names. All variables and functions to be checked are listed in the exports.
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try{
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module.exports = {
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addNum: typeof addNum !== 'undefined' ? addNum : null,
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subNum: typeof subNum !== 'undefined' ? subNum : null,
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multiplyNum: typeof multiplyNum !== 'undefined' ? multiplyNum : null,
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divideNum: typeof divideNum !== 'undefined' ? divideNum : null,
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getCircleArea: typeof getCircleArea !== 'undefined' ? getCircleArea : null,
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getAverage: typeof getAverage !== 'undefined' ? getAverage : null,
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checkIfPassed: typeof checkIfPassed !== 'undefined' ? checkIfPassed : null,
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}
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} catch(err){
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}
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