diff --git a/homeworks/viacheslav.karpenko_keyhit/homework_2/index.htm b/homeworks/viacheslav.karpenko_keyhit/homework_2/index.htm new file mode 100644 index 00000000..62bc7f01 --- /dev/null +++ b/homeworks/viacheslav.karpenko_keyhit/homework_2/index.htm @@ -0,0 +1,12 @@ + + + + + Hometask 1 JavaScript Language + + + + + + + diff --git a/homeworks/viacheslav.karpenko_keyhit/homework_2/js/main.js b/homeworks/viacheslav.karpenko_keyhit/homework_2/js/main.js new file mode 100644 index 00000000..22c123db --- /dev/null +++ b/homeworks/viacheslav.karpenko_keyhit/homework_2/js/main.js @@ -0,0 +1,100 @@ +(function () { +// 1. Create empty array - myArray +console.log(' - 1 - Created empty array - myArray'); + +var myArray = []; + +console.log('myArray'); // check array + +//2. Filling myArray +console.log(' - 2 - Filled myArray'); + +for (var i = 1; i <=100; i++) { + function randomInteger(min, max) { + var rand = min - 0.5 + Math.random() * (max - min + 1); + rand = Math.round(rand); + return rand; // returning 100 numbers between 1 - 100 values + } + + myArray.push(randomInteger(1, 100)); // adding values to array + +} + +console.log(myArray); // show all elements + +// 3. Function findMinMax +console.log(' - 3 - Function findMinMax'); + +var arrayToFind = myArray; // get array + +function findMinMax(arrayToFind, line){ + + if (line == 'max') { + return 'Array maximum number = ' + Math.max.apply(Math, myArray); // searching max value + } + + if(line == 'min') { + return 'Array minimum number = ' + Math.min.apply(Math, myArray); // searching min value + } +} + +var resultMax = findMinMax(arrayToFind, 'max'); // asking max value +var resultMin = findMinMax(arrayToFind, 'min'); // asking min value + +console.log(resultMax); // showing max value +console.log(resultMin); // showing min value + +// 4. Convert array to object +console.log(' - 4 - Convert array to object'); + +var ArrForObj = []; + +for (var f = 1; f <=30; f++) { + ArrForObj.push(f); +} + +function convertArrayToObj(convertedArr) { + + var obj = {}; // Create new object + var charCount = 26; // 26 english letters + var num = 1; // start number for increase + + for (var i = 0; i < convertedArr.length; i++) { // start iteration ArrForObj + if (charCount > 0) { // if enlish symbols > 0 + obj[String.fromCharCode(97 + i)] = convertedArr[i]; // adding to obj symbols = ArrForObj elements + } + else { // if enlish symbols < 0 + obj[num] = convertedArr[i]; // adding to obj num var = ArrForObj elements + num++; // increase var num value + } + charCount--; // decrease char code val of english letters + } +return obj; // returning object +} + +var myObj = convertArrayToObj(ArrForObj); // Calling convertArrayToObj +console.log(myObj); // show inconsole + +// 5. filtering data +console.log(' - 5 - Filtering array data'); + +var newData = [2, 12, 22, 6, 32]; // Array newData +var oldData = [12, 5, 7, 17, 22, 32]; // Array oldData + +function filterNew(newArray, oldArray) { + + for (var h = 0; h < newArray.length; h++) { // Iterations newData array - searching values + oldArray.forEach(function(oldDataArrayElem){ // Iterations oldData array - searching values + if (newArray[h] == oldDataArrayElem){ // Comparisons values both arrays + newArray.splice(h, 1); // Splice used if values is same + h--; // Decrease index newData array iterations + } + }); + } +} + +filterNew(newData, oldData); + +console.log(newData); + +})();