Merge pull request #7 from EasyCode-JavaScriptReact-v1/homework_6

OlegLustenko · web-flow · commit 4299b69bcc04 · 2018-06-20T07:23:12.000+03:00
homework_6
diff --git a/js-core/homeworks/homework-6/index.html b/js-core/homeworks/homework-6/index.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Home work 6</title>
+</head>
+<body>
+
+<script src="src/main.js"></script>
+</body>
+</html>
diff --git a/js-core/homeworks/homework-6/src/main.js b/js-core/homeworks/homework-6/src/main.js
@@ -0,0 +1,216 @@
+//Task1
+
+let randomString = 'aaa b a w c ';
+
+let user = {
+  name: 'Albina',
+};
+
+let javaScript = {
+  html: 'JavaScript',
+};
+
+function countLetterA(str) {
+  let arrStr = str.split('');
+  let countLetterA2 = arrStr.reduce(function(newElem, elem) {
+    if(elem === 'a') {
+      newElem++;
+    };
+    return newElem;
+  },0);
+  return countLetterA2;
+};
+console.log('Task1 ', countLetterA(randomString));
+console.log('Task1 ', countLetterA(javaScript.html + user.name));
+
+
+
+
+//Task2
+
+function reverseEachWord(str) {
+  let arrStr = str.split(' ');
+  let newArrStr = [];
+  arrStr.forEach(function(elem) {
+    let arrElem = elem.split('');
+    let reversElemInArr = arrElem.reverse();
+    let reversElemInString = reversElemInArr.join('');
+    newArrStr.push(reversElemInString);
+  });
+  return newArrStr.join(' ');
+};
+
+console.log('Task2 ', reverseEachWord('You don\'t have to do anything special to begin using the DOM. Different browsers have different implementations of the DOM'));
+console.log('Task2 ', reverseEachWord('The Document Object Model (DOM) is a programming interface for HTML and XML documents'));
+
+
+
+//Task3
+
+function reverseEachWord2(str, shouldReverse) {
+  let arrStr = str.split(' ');
+  let newArrStr = [];
+  arrStr.forEach(function(elem) {
+    let arrElem = elem.split('');
+    let reversElemInArr = arrElem.reverse();
+    let reversElemInString = reversElemInArr.join('');
+    newArrStr.push(reversElemInString);
+  });
+  if (shouldReverse === true) {
+    newArrStr.reverse();
+  };
+  return newArrStr.join(' ');
+};
+
+console.log('Task3 ', reverseEachWord2('The Document Object Model (DOM) is a programming interface for HTML and XML documents', true));
+console.log('Task3 ', reverseEachWord2('Hi my Name is', false));
+console.log('Task3 ', reverseEachWord2('Hi my Name is', true));
+
+
+
+
+//Task4
+
+function wordCounter2(sentence) {
+  let arrayOfSentences = sentence.split(' ');
+  let elements = arrayOfSentences.reduce(function(newValue, elem) {
+    newValue[elem] = newValue[elem] ? newValue[elem] + 1 : 1;
+    return newValue;
+  }, {});
+  return elements;
+};
+console.log('Task4 ', wordCounter2('Both Java and Java Script is programming and programming OOPBased Language'));
+
+
+
+//Task5
+
+let listOfCompanys = [
+  {
+    company: 'ASIMILINE',
+    name: {
+      last: 'Watkins',
+      first: 'Lindsay',
+    },
+    eyeColor: 'brown',
+    age: 20,
+    picture: 'http://placehold.it/32x32',
+    balance: '$1,091.09',
+    isActive: true,
+    guid: '294814e3-4c89-428f-b0c9-da5c4c37ea5e',
+    index: 0,
+    _id: '584babb6eeb4137cf14c37a3',
+  },
+  {
+    company: 'ENJOLA',
+    name: {
+      last: 'Price',
+      first: 'Greene',
+    },
+    eyeColor: 'brown',
+    age: 39,
+    picture: 'http://placehold.it/32x32',
+    balance: '$3,533.55',
+    isActive: true,
+    guid: 'e7b0824f-d6d1-4a82-b2c5-cd7a1ec8310c',
+    index: 1,
+    _id: '584babb6c7be9c2398ed263f',
+  },
+  {
+    company: 'ZINCA',
+    name: {
+      last: 'Robertson',
+      first: 'Barbara',
+    },
+    eyeColor: 'brown',
+    age: 22,
+    picture: 'http://placehold.it/32x32',
+    balance: '$1,395.22',
+    isActive: false,
+    guid: '0735d8d9-a165-4ad1-893f-e821da37bf63',
+    index: 2,
+    _id: '584babb6cca4dbefa6001820',
+  },
+  {
+    company: 'TALKOLA',
+    name: {
+      last: 'Cooke',
+      first: 'Lea',
+    },
+    eyeColor: 'blue',
+    age: 31,
+    picture: 'http://placehold.it/32x32',
+    balance: '$3,074.16',
+    isActive: false,
+    guid: '7d13cbc4-6b4d-4954-b3d3-df3cfe5f2373',
+    index: 3,
+    _id: '584babb6391a2b568f1e9416',
+  },
+  {
+    company: 'GEEKKO',
+    name: {
+      last: 'Webb',
+      first: 'Kline',
+    },
+    eyeColor: 'blue',
+    age: 34,
+    picture: 'http://placehold.it/32x32',
+    balance: '$1,520.21',
+    isActive: false,
+    guid: '2b179de0-a659-4423-b3c4-11c6490e5c74',
+    index: 4,
+    _id: '584babb66d6ea73e8ed51208',
+  },
+];
+
+function createHashTags(arr) {
+  let ogj = arr.reduce(function(newValue, elem, index, arr) {
+    let elemKey = elem._id;
+    let elemValue = elem.company;
+    newValue[elemKey] = elemValue;
+    return newValue;
+  }, {});
+  return ogj;
+}
+
+console.log('Task5 ',createHashTags(listOfCompanys));
+
+//@ SUPER1
+let notUniqArray = [1, 1, 2, 2, 2, 5, 10, 25, 30, 5, 1, 0, 22, 3, 10, 3];
+
+function uniqueElements(arr) {
+  let uniqueElements = [];
+  nextInput:
+    for (let i = 0; i < arr.length; i++) {
+      let initialElem = arr[i];
+      for (let k = 0; k < uniqueElements.length; k++) {
+        if (uniqueElements[k] == initialElem) {
+          continue nextInput;
+        };
+      };
+      uniqueElements.push(initialElem);
+    };
+  return uniqueElements;
+};
+
+console.log('SUPER1 ',uniqueElements(notUniqArray));
+
+
+//@ SUPER2
+let array = [1, -1, 0, 15, -59, 7];
+function filter(callback, arr) {
+  let newArr = [];
+  for(let i = 0; i < arr.length; i++) {
+    if(!callback(arr[i])) {
+      continue;
+    };
+    newArr.push(arr[i]);
+  };
+  return newArr;
+};
+
+let res = function exampleCallbackFunction(value) {
+  return value < 0;
+};
+
+console.log('SUPER2 ', filter(res, array));
