JavaScript functions

Krivorotova Tatyana/convert.js

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+/*     convert       */
+function convert(obj){
+    var objKeys = Object.keys(obj);
+    const res = objKeys.map(function(value){
+        return [value, obj[value]];
+    })
+    console.log(res);
+}
+obj1 = {name: 'Jeremy', age: 24, role: 'Software Engineer'};
+console.log(convert(obj1));

Krivorotova Tatyana/countDown.js

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+/*     countDown     */
+function countDown(k)
+{
+    var i = k;
+    const timerId = setInterval(function(){
+        if(i == 0)
+            clearInterval(timerId);
+        console.log(i); i--;
+    }, 1000)
+}
+countDown(3);

Krivorotova Tatyana/largest.js

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+/*     largest     */
+function largest()
+{
+    var tmp = arguments[0];
+    for(var j = 0; j < arguments.length; ++j)
+    {
+       if(tmp < arguments[j])
+       {
+            tmp = arguments[j];
+       }
+    }
+    return tmp;
+}
+console.log(largest(2, -5, 100, 3));

Krivorotova Tatyana/myBind.js

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+/*       myBind        */
+Function.prototype.myBind = function(context){
+    var myArguments = Array.prototype.slice.call(arguments, 1),
+    mybound = this;
+    return function(){
+        var myBoundArguments = Array.prototype.slice.call(arguments);
+        return mybound.apply(context, myBoundArguments)
+    }
+}
+
+function addPropToNumber(number) { return this.prop + number; }
+var bound = addPropToNumber.myBind({ prop: 9 });
+bound(1)

Krivorotova Tatyana/reverseString.js

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+/*   reverseString   */
+function reverseString(str){
+    var stringArr = str.split(' ');
+    stringArr = stringArr.map(function(value){
+        return value.split('').reverse().join('');
+    })
+    stringArr = stringArr.join(' ');
+    console.log(stringArr);
+}
+console.log(reverseString(" A fun little challenge! "));

Krivorotova Tatyana/script.js

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+/*   splitAndMerge   */
+function splitAndMerge(str, sp){
+    let wrds = str.split(' '); //Dividing sentence into words
+    const chars = [];
+    for(let i = 0; i < wrds.length; ++i)
+        chars.push(wrds[i].split('').join(sp)); //Dividing words into chars
+    chars = chars.join(' ');
+    console.log(chars);
+}
+console.log(splitAndMerge("Hello World!", ","));
+console.log(splitAndMerge("My name is John"," "));
+/*     convert       */
+function convert(obj){
+    let objKeys = Object.keys(obj);
+    const res = objKeys.map(function(value){
+        return [value, obj[value]];
+    })
+    console.log(res);
+}
+obj1 = {name: 'Jeremy', age: 24, role: 'Software Engineer'};
+console.log(convert(obj1));
+/*    toCamelCase    */
+function toCamelCase(str){
+    str = str.split(/[-|_]/g);
+    console.log(str);
+    for(let i = 1; i < str.length; ++i){
+        str[i] = str[i].charAt(0).toUpperCase() + str[i].slice(1);
+    } 
+    return str.join('');
+}
+console.log(toCamelCase("the-stealth-warrior"));
+console.log(toCamelCase('The_Stealth_Warrior'));
+/*   reverseString   */
+function reverseString(str){
+    str = str.split(' ');
+    str = str.map(function(value){
+        return value.split('').reverse().join('');
+    })
+    str = str.join(' ');
+    console.log(str);
+}
+console.log(reverseString(" A fun little challenge! "));
+/*  stringExpansion  */
+/*      largest      */
+function largest(arr)
+{
+    let numbers = [];
+    for(let i = 0; i < arguments.length; ++i)
+    {
+        numbers[i] = arguments[i];
+    }
+    let tmp = numbers[0];
+    for(let j = 0; j < numbers.length; ++j)
+    {
+       if(tmp < numbers[j])
+          tmp = numbers[j];
+    }
+    return tmp;
+}
+console.log(largest(2, -5, 100, 3));
+/*     smallest      */
+function smallest(arr)
+{
+    let numbers = [];
+    for(let i = 0; i < arguments.length; ++i)
+        numbers[i] = arguments[i];
+    let tmp = numbers[0];
+    for(let j = 0; j < numbers.length; ++j)
+    {
+       if(tmp > numbers[j])
+          tmp = numbers[j];
+    }
+    return tmp;
+}
+console.log(smallest(2, -5, 100, 3));
+/*     transform     */
+function transform(arr){
+    return arr.map(function(value){
+        return function(){
+            return value;
+        }
+    })
+}
+const baseArray = [10, 20, 30, 40, 50];
+const newArray = transform(baseArray);
+newArray[3]();
+newArray[4]();
+/*       sum        */
+function sum()
+{
+    return arguments.length === 0? 0 : arguments[0] + sum.apply(0, Array.prototype.slice.call(arguments, 1));
+}
+console.log(sum(2, -5, 100, 3));
+/*     countDown     */
+function countDown(k)
+{
+    let i = k;
+    let timerId = setInterval(function(){
+        if(i == 0)
+            clearInterval(timerId);
+        console.log(i); i--;
+    }, 1000)
+}
+countDown(3);
+/*      myBind       */

Krivorotova Tatyana/smallest.js

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+/*     smallest      */
+function smallest()
+{
+    var tmp = arguments[0];
+    for(var j = 0; j < arguments.length; ++j)
+    {
+       if(tmp > arguments[j])
+       {
+            tmp = arguments[j];
+       }
+    }
+    return tmp;
+}
+console.log(smallest(2, -5, 100, 3));

Krivorotova Tatyana/splitAndMerge.js

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+/*   splitAndMerge   */
+function splitAndMerge(str, sp){
+    var wrds = str.split(' ');
+    var modifiedWrds = [];
+    for(let i = 0; i < wrds.length; ++i)
+    {
+        modifiedWrds.push(wrds[i].split('').join(sp));
+    }
+    modifiedWrds = modifiedWrds.join(' ');
+    console.log(modifiedWrds);
+}
+console.log(splitAndMerge("Hello World!", ","));
+console.log(splitAndMerge("My name is John"," "));

Krivorotova Tatyana/stringExpansion.js

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+/*       stringExpansion       */
+function stringExpansion(str){
+    return str.match(/\d?[A-Za-z]/ig).reduce(function(acc, currItem){
+            if(!parseInt(currItem))
+            {
+                acc.push(currItem);
+            }
+            acc.push(currItem[currItem.length-1].repeat(parseInt(currItem)));
+            return acc;
+    }, []).join('');
+}
+
+console.log(stringExpansion('3D2a5d2f'));
+console.log(stringExpansion('3d332f2a'));
+console.log(stringExpansion('abcde'));

Krivorotova Tatyana/sum.js

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+/*       sum        */
+function sum()
+{
+    return arguments.length === 0? 0 : arguments[0] + sum.apply(0, Array.prototype.slice.call(arguments, 1));
+}
+console.log(sum(2, -5, 100, 3));

Krivorotova Tatyana/toCamelCase.js

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+/*    toCamelCase    */
+function toCamelCase(str){
+    var stringArr = str.split(/[-|_]/g);
+    console.log(stringArr);
+    for(let i = 1; i < stringArr.length; ++i){
+        stringArr[i] = stringArr[i].charAt(0).toUpperCase() + stringArr[i].slice(1);
+    } 
+    return stringArr.join('');
+}
+console.log(toCamelCase("the-stealth-warrior"));
+console.log(toCamelCase('The_Stealth_Warrior'));

Krivorotova Tatyana/transform.js

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+/*     transform     */
+function transform(arr){
+    return arr.map(function(value){
+        return function(){
+            return value;
+        }
+    })
+}
+const baseArray = [10, 20, 30, 40, 50];
+const newArray = transform(baseArray);
+newArray[3]();
+newArray[4]();