Homework_js_func

Alina Firsova/Homework_functions.js

@@ -0,0 +1,118 @@
+//______________________________FUNCTION 1_____________________________
+function splitAndMerge(str, sep) {
+  return console.log((str.split(/\s|/)).join(sep));
+}
+//______________________________FUNCTION 2_____________________________ 
+function convert(str) {
+return console.log(Object.entries(str))
+}
+//______________________________FUNCTION 3_____________________________ 
+function camelCase(str) {
+str = str.split(/-|_/);
+for (i = 1; i < str.length; i++) {
+  str[i] = str[i].charAt(0).toUpperCase() + str[i].substr(1);
+}
+return console.log(str.join(''))
+}
+//______________________________FUNCTION 4_____________________________  
+function reverceStr(str) {
+return console.log((str.split(" ")).map(function (value) { 
+  return (value.split("").reverse().join(""))}).join(" "));
+}
+//______________________________FUNCTION 5_____________________________  
+function stringExpansion(str) {
+var result = [];
+while (str.length) {
+  letter = str.match(/[a-fA-F]/).index;
+  if (!isNaN(str[letter - 1])) {
+    result.push((str[letter]).repeat(str[letter - 1]));
+  } else {
+    result.push(str[letter])
+  }
+  str = str.slice(letter + 1);
+}
+return console.log(result.join(""));
+}
+//______________________________FUNCTION 6-1_____________________________ 
+function largest() {
+var args = Array.prototype.slice.call(arguments);
+max = args[0];
+var result = args.reduce(function(max, current) {
+  if (max < current) {
+    max = current;
+  }
+  return max;
+})
+return console.log(result);
+}
+//______________________________FUNCTION 6-2_____________________________  
+function smallest() {
+var args = Array.prototype.slice.call(arguments);
+min = args[0];
+var result = args.reduce(function(max, current) {
+  if (min > current) {
+    min = current;
+  }
+  return min;
+})
+return console.log(result);
+}
+//______________________________FUNCTION 7_____________________________  
+function transform(array) {
+return array.map(function(element) {
+  return function() {
+    return console.log(element);
+  }
+})
+
+}
+//______________________________FUNCTION 8_____________________________ 
+function sum() {
+if (arguments.length === 1) return arguments[0];
+else {
+  var args = Array.prototype.slice.call(arguments);
+  return args[0] + sum.apply(null, args.splice(1));
+}
+}
+//______________________________FUNCTION 9_____________________________   
+function countDown(value) {
+var interval = setInterval(function() {
+  if (value === -1) { clearInterval(interval); } else {
+    console.log(value);
+    value--;
+  }
+}, 1000);
+}
+
+//______________________________FUNCTION 10_____________________________
+Function.prototype.myBind = function() {
+func = this;
+context = arguments[0];
+args = [].slice.call(arguments, 1);
+return function() {
+  func_args = [].slice.call(arguments);
+  args = args.concat(func_args);
+  return func.apply(context, args);
+}
+}
+
+function addPropToNumber(number) {
+return this.prop + number
+}
+
+
+splitAndMerge("My name is John", " ");
+convert({ name: 'Jeremy', age: 24, role: 'Software Engineer' });
+camelCase("The_stealth-warrior");
+reverceStr("A fun little challenge!");
+stringExpansion("3D2a5d2f");
+largest(5, 2, -100, 9, 0, 56, 4);
+smallest(5, 2, -100, 9, 0, 56, 4);
+transform([10, 20, 30, 40, 50]);
+const baseArray = [10, 20, 30, 40, 50];
+const newArray = transform(baseArray);
+newArray[3]();
+console.log(sum(5, 7, 9, 4, 17));
+countDown(6);
+var bound = addPropToNumber.myBind({ prop: 9 });
+bound(1);