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HW#6

stas.vladlenko 1 year ago
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749ef09ff1
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      HW#6/hw6.js
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HW#6/hw6.js
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+// a ==============================================================================
 
+
 
+
 
+function a(someStr){
 
+    alert(someStr)
 
+}
 
+// a("Привет")
 
+// a("Как дела?")
 
+// a("Как погода?")
 
+
 
+
 
+// cube ==============================================================================
 
+
 
+
 
+function cube(ourNum){
 
+    let result
 
+    result = ourNum**=3
 
+    console.log(result)
 
+}
 
+// cube(17)
 
+
 
+
 
+// avg2 ==============================================================================
 
+
 
+
 
+function avg2(firstNum,secondNum){
 
+    let result
 
+    result = (firstNum + secondNum)/2
 
+    console.log(result)
 
+
 
+}
 
+// avg2(7,10)
 
+
 
+
 
+// sum3 ==============================================================================
 
+
 
+
 
+function sum3(firstNum,secondNum,thirdNum){
 
+    let result
 
+    
+    if(thirdNum===undefined){
 
+        thirdNum=0
 
+    }
 
+    else if(secondNum===undefined){
 
+        secondNum=0
 
+    }
 
+    else if (thirdNum===undefined){
 
+        thirdNum=0
 
+    }
 
+
 
+    result = (firstNum + secondNum + thirdNum)
 
+    console.log(result)
 
+}
 
+// sum3(1,2,3)
 
+
 
+
 
+// intRandom ==============================================================================
 
+
 
+
 
+function intRandom (minNum, maxNum){
 
+let result
 
+if(maxNum===undefined){
 
+    maxNum=minNum
 
+    minNum=0
 
+}
 
+result = Math.round(Math.random() * (maxNum - minNum ) + minNum)
 
+console.log(result)
 
+}
 
+// intRandom(2,15)
 
+// intRandom(-1,-1)
 
+// intRandom(0,1)
 
+// intRandom(10)
 
+
 
+
 
+// greetAll ==============================================================================
 
+
 
+
 
+function greetAll() {
 
+let result = ''
 
+
 
+for(let i=0; i<arguments.length; i++){
 
+    result+=arguments[i]+', '
 
+}
 
+result = result.slice(0,-2)
 
+alert('Hello '+result)
 
+}
 
+// greetAll('Kate','Vlad','Marina','Sveta','Andrey','Cat','Superman')
 
+
 
+
 
+// sum ==============================================================================
 
+
 
+
 
+function sum(){
 
+    let result = 0
 
+for(i=0; i<arguments.length; i++){
 
+result +=arguments[i]
 
+
 
+}
 
+console.log(result)
 
+}
 
+// sum(1)
 
+// sum(2)
 
+// sum(10,20,40,100)
 
+
 
+
 
+// Union ==============================================================================
 
+
 
+
 
+function aChoice(){
 
+    a("Привет")
 
+    a("Как дела?")
 
+    a("Как погода?")
 
+}
 
+
 
+function cubeChoice(){
 
+    cube(17)
 
+}
 
+
 
+function avg2Choice(){
 
+    avg2(7,10)
 
+}
 
+
 
+function sum3Choice(){
 
+    sum3(1,2,3)
 
+}
 
+
 
+function intRandomChoice (){
 
+    intRandom(2,15)
 
+    intRandom(-1,-1)
 
+    intRandom(0,1)
 
+    intRandom(10)
 
+}
 
+
 
+function greetAllchoice(){
 
+    greetAll('Kate','Vlad','Marina','Sveta','Andrey','Cat','Superman')
 
+}
 
+
 
+function sumChoice(){
 
+    sum(1)
 
+    sum(2)
 
+    sum(10,20,40,100)
 
+}
 
+
 
+let taskChoice = prompt('Введите название задания')
 
+switch(taskChoice.toLowerCase()) {
 
+    case 'a': aChoice()
 
+    break;
 
+    case 'cube': cubeChoice()
 
+    break;
 
+    case 'avg2': avg2Choice()
 
+    break;
 
+    case 'sum3': sum3Choice()
 
+    break;
 
+    case 'intrandom': intRandomChoice()
 
+    break;
 
+    case 'greetall': greetAllchoice()
 
+    break;
 
+    case 'sum': sumChoice()
 
+    break;
 
+}
 
+
 
+
 
+// Union declarative ==============================================================================
 
+
 
+
 
+let taskChoiceTwo = prompt('Введите название задания')
 
+
 
+const functionObj = {
 
+'a': aChoice,
 
+'cube': cubeChoice,
 
+'avg2': avg2Choice,
 
+'sum3': sum3Choice,
 
+'intrandom': intRandomChoice,
 
+'greetall': greetAllchoice,
 
+'sum': sumChoice
 
+}
 
+
 
+functionObj[taskChoiceTwo.toLowerCase()]()
 
+
 
+
 
+// ============================================================================================================================================================

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HW#6/index.html
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+<!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>Document</title>
 
+</head>
 
+<body>
 
+    <script src="hw6.js"></script>
 
+</body>
 
+</html>