HW3

Aleksandr Zorin/index.js

@@ -0,0 +1,111 @@
+function splitAndMerge(str, sp) {
+    var words = str.split(' ');
+    var newWords = [];
+    words.forEach(function (word) {
+        newWords.push(word.split('').join(sp))
+    });
+    return newWords.join(' ');
+}
+
+function convert(object) {
+    var arr = []
+    for (const key in object) {
+        arr.push([key, object[key]]);
+    }
+    return arr;
+}
+
+function toCamelCase(str) {
+    var splitString = str.split('-');
+    var newString = [];
+    if (splitString.length == 1) {
+        splitString = str.split('_');
+    }
+    for (var i = 0; i < splitString.length; i++) {
+        if (i == 0) {
+            newString.push(splitString[i])
+        } else {
+            newString.push(splitString[i].charAt(0).toUpperCase() + splitString[i].slice(1));
+        }
+    }
+    return newString.join('');
+}
+
+function reverse(str) {
+    var words = str.split(' ');
+    var newString = [];
+    words.forEach(function (word) {
+        newString.push(word.split('').reverse().join(''));
+    });
+    return newString.join(' ');
+}
+
+function stringExpansion(str) {
+    var sets = str.match(/(\d{1}\D{1})|\D/g)
+    var newString = [];
+    if (!sets || sets.length == 0) {
+        return str;
+    }
+    sets.forEach(function (set) {
+        if (set.length == 1) {
+            newString.push(set);
+        } else {
+            for (var i = 0; i < set[0]; i++) {
+                newString.push(set[1]);
+            }
+        }
+    });
+    return newString.join('');
+}
+
+function largest() {
+    var max = arguments[0];
+    for (var i = 1; i < arguments.length; i++) {
+        max = max > arguments[i] ? max : arguments[i];
+    }
+    return max;
+}
+
+function smallest() {
+    var min = arguments[0];
+    for (var i = 1; i < arguments.length; i++) {
+        min = min < arguments[i] ? min : arguments[i];
+    }
+    return min;
+}
+
+function transform(arr) {
+    var functions = [];
+    function getFunction(arg) {
+        var value = arg;
+        return function () { return value };
+    }
+    arr.forEach(function (arg) {
+        functions.push(getFunction(arg));
+    });
+
+    return functions;
+}
+
+function sum() {
+    return arguments.length == 0 ? 0 : arguments[0] + sum.apply(null, Array.prototype.slice.call(arguments, 1));
+}
+
+function countDown(i) {
+    setTimeout(function () {
+        if (i >= 0) {
+            console.log(i);
+            countDown(--i);
+        }
+    }, 1000)
+}
+
+Function.prototype.myBind = function () {
+    var primaryFunc = this;
+    var context = arguments[0];
+    var primaryArgs = Array.prototype.slice.call(arguments, 1);
+    return function() {
+        var args = primaryArgs.concat(Array.prototype.slice.call(arguments));
+        return primaryFunc.apply(context,args);
+    }
+}