feat: add day 7

3 years ago · 9816983af9
parent f924823038
commit 9816983af9
1 changed files with 127 additions and 0 deletions
--- a/Exercises/day_7/index.html
+++ b/Exercises/day_7/index.html
@ -0,0 +1,127 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Day 7</title>
    <script>
        // emperature in oC can be converted to oF using this formula: oF = (oC x 9/5) + 32. Write a function which convert oC to oF convertCelsiusToFahrenheit.
        function convertTemperature(o, unit = 'C'){
            if( unit = 'F'){
                return (o - 32) * 5/9 + ' oC'
            }
            if( unit = 'C'){
                return (o * 9/5) + 32 + 'oF'
            }
        }
        console.log(`It's ${convertTemperature(5, 'C')}`)
        // Body mass index(BMI) is calculated as follows: bmi = weight in Kg / (height x height) in m2. Write a function which calculates bmi. BMI is used to broadly define different weight groups in adults 20 years old or older.Check if a person is underweight, normal, overweight or obese based the information given below.
        function bmiCal(weight, height){
            if (height == 0 || weight == 0){
                return "Invalid height or weight"
            }
            return (weight / Math.pow(height/100, 2)).toFixed(2);
        }
        // The same groups apply to both men and women.
        // Underweight: BMI is less than 18.5
        // Normal weight: BMI is 18.5 to 24.9
        // Overweight: BMI is 25 to 29.9
        // Obese: BMI is 30 or more
        function getBmiGroup(weight, height){
            bmi = bmiCal(weight, height)
            switch (true) {
                case bmi < 18.5:
                    console.log("BMI is less than 18.5")
                    break;
                case bmi < 24.9:
                    console.log("BMI is 18.5 to 24.9")
                    break;
                case bmi < 29.9:
                    console.log("BMI is 25 to 29.9")
                    break;
                case bmi > 30:
                    console.log("BMI is 30 or more")
                    break;
                default:
                    console.log(bmi)
                    console.log("ok")
                    break;
            }
        }
        let weight = 55
        let height = 172
        console.log("You are " + weight + "kg and " + height + "cm BMI = ", bmiCal(55, 172))
        getBmiGroup(weight, height)
        // Math.max returns its largest argument. Write a function findMax that takes three arguments and returns their maximum with out using Math.max method.
        // console.log(findMax(0, 10, 5))
        // 10
        // console.log(findMax(0, -10, -2))
        // 0
        function findMax(...args){
            let max = args[0]
            args.forEach(e => {
                if (e > max){
                    max = e
                }
            })
            return max;
        }
        console.log(findMax(11, 2, 4, 5, 6))
        function printArray(arr){
            arr.forEach((v, i) => console.log(v))
        }
        printArray([1, 2, 3, 4])
        function showDateTime(){
            date = new Date
            console.log(date.toLocaleDateString() + " " + date.toLocaleTimeString())
        }
        showDateTime()
        function swapValues(a, b){
            let temp;
            temp = a;
            a = b;
            b = temp;
            console.log(a, b)
        }
        swapValues(1, 2)
        function reverseArray(arr){
            arr = arr.reverse()
            console.log(arr)
        }
        console.log(reverseArray(["a", "b", "c"]))
        function addItem(item , arr){
            arr.unshift(item)
            console.log(arr)
        }
        console.log(addItem(1, [2, 3, 4]))
        function removeItem(index, arr){
            arr.splice(index - 1, 1)
            return arr
        }
        console.log(removeItem(1, [1, 2, 3]))
        function sumOfNumbers(arr){
            console.log("sum arr", arr, arr.reduce((sum ,value) => sum + value))
        }
        sumOfNumbers([1, 2, 3, 4])
    </script>
 </head>
 <body>
 </body>
 </html>