diff --git a/03_Day_Booleans_operators_date/03_booleans_operators_date.md b/03_Day_Booleans_operators_date/03_booleans_operators_date.md index 1b5298e0..ae38b426 100644 --- a/03_Day_Booleans_operators_date/03_booleans_operators_date.md +++ b/03_Day_Booleans_operators_date/03_booleans_operators_date.md @@ -382,7 +382,7 @@ These are not all the window methods we will have a separate section to go deep ## Date Object Time is an important thing. We like to know the time a certain activity or event. In JavaScript current time and date is created using JavaScript Date Object. The object we create using Date object provides many methods to work with date and time.The methods we use to get date and time information from a date object values are started with a word _get_ because it provide the information. -_getFullYear(), getMonths(), getDate(), getDay(), getHours(), getMinutes, getSeconds(), getMilliseconds(), getTime(), getDay()_ +_getFullYear(), getMonth(), getDate(), getDay(), getHours(), getMinutes, getSeconds(), getMilliseconds(), getTime(), getDay()_ ![Date time Object](../images/date_time_object.png) @@ -553,7 +553,7 @@ console.log(`${date}/${month}/${year} ${hours}:${minutes}`) // 4/1/2020 0:56 ```sh Enter base: 20 Enter height: 10 - The area of the triangle is 50 + The area of the triangle is 100 ``` 1. Write a script that prompt the user to enter side a, side b, and side c of the triangle and and calculate the perimeter of triangle (perimeter = a + b + c) diff --git a/05_Day_Arrays/05_day_arrays.md b/05_Day_Arrays/05_day_arrays.md index 3374c128..d73eb4ce 100644 --- a/05_Day_Arrays/05_day_arrays.md +++ b/05_Day_Arrays/05_day_arrays.md @@ -13,7 +13,7 @@ -[<< Day 4](../04_Day_Conditionals/04_day_Conditionals.md) | [Day 6 >>](../06_Day_Loops/06_day_loops.md) +[<< Day 4](../04_Day_Conditionals/04_day_conditionals.md) | [Day 6 >>](../06_Day_Loops/06_day_loops.md) ![Day 5](../images/banners/day_1_5.png) diff --git a/06_Day_Loops/06_day_loops.md b/06_Day_Loops/06_day_loops.md index f0809fbf..8458024c 100644 --- a/06_Day_Loops/06_day_loops.md +++ b/06_Day_Loops/06_day_loops.md @@ -178,7 +178,7 @@ for (const num of numbers) { // adding all the numbers in the array let sum = 0 for (const num of numbers) { - sum += sum + num // can be also shorten like this, sum += num + sum = sum + num // can be also shorten like this, sum += num } console.log(sum) // 15 diff --git a/10_Day_Sets_and_Maps/10_day_Sets_and_Maps.md b/10_Day_Sets_and_Maps/10_day_Sets_and_Maps.md index 6d0064cc..7a63822d 100644 --- a/10_Day_Sets_and_Maps/10_day_Sets_and_Maps.md +++ b/10_Day_Sets_and_Maps/10_day_Sets_and_Maps.md @@ -241,7 +241,6 @@ console.log(C) ```sh Set(6) {1, 2, 3, 4, 5,6} - ``` ### Intersection of sets @@ -263,7 +262,6 @@ console.log(C) ```sh Set(3) {3, 4, 5} - ``` ### Difference of sets @@ -285,7 +283,6 @@ console.log(C) ```sh Set(2) {1, 2} - ``` ## Map @@ -372,7 +369,7 @@ for (const country of countriesMap) { (2) ["Norway", "Oslo"] ``` -```sh +```js for (const [country, city] of countriesMap){ console.log(country, city) } @@ -415,10 +412,11 @@ const countries = ['Finland', 'Sweden', 'Norway'] 1. \*\*\* Use the countries data to find the 10 most spoken languages: - ```js +```js // Your output should look like this - console.log(mostSpokenLanguages(countries, 10))[ - ({ English: 91 }, + console.log(mostSpokenLanguages(countries, 10)) + [ + { English: 91 }, { French: 45 }, { Arabic: 25 }, { Spanish: 24 }, @@ -428,24 +426,20 @@ const countries = ['Finland', 'Sweden', 'Norway'] { German: 7 }, { Chinese: 5 }, { Swahili: 4 }, - { Serbian: 4 }) + { Serbian: 4 } ] - // Your output should look like this - console.log(mostSpokenLanguages(countries, 3)) - ``` - -[ -{'English':91}, -{'French':45}, -{'Arabic':25} -] - + // Your output should look like this + console.log(mostSpokenLanguages(countries, 3)) + [ + {'English':91}, + {'French':45}, + {'Arabic':25} + ] ``` 🎉 CONGRATULATIONS ! 🎉 -[<< Day 9](../09_Day_Higher_order_functions/09_day_higher_order_functions.md) | [Day 11>>](../11_Day_Destructuring_and_spreading/11_day_destructuring_and_spreading.md) -``` +[<< Day 9](../09_Day_Higher_order_functions/09_day_higher_order_functions.md) | [Day 11 >>](../11_Day_Destructuring_and_spreading/11_day_destructuring_and_spreading.md) diff --git a/11_Day_Destructuring_and_spreading/11_day_destructuring_and_spreading.md b/11_Day_Destructuring_and_spreading/11_day_destructuring_and_spreading.md index 5f0e896c..a67e0c82 100644 --- a/11_Day_Destructuring_and_spreading/11_day_destructuring_and_spreading.md +++ b/11_Day_Destructuring_and_spreading/11_day_destructuring_and_spreading.md @@ -57,9 +57,9 @@ Destructuring is a way to unpack arrays, and objects and assigning to a distinct ```js const names = ['Asabeneh', 'Brook', 'David', 'John'] - let [firstPerson, secondPerson, thirdPerson, fourth Person] = names + let [firstPerson, secondPerson, thirdPerson, fourthPerson] = names - console.log(firstName, secondPerson,thirdPerson, fourthPerson) + console.log(firstPerson, secondPerson,thirdPerson, fourthPerson) ``` ```sh diff --git a/18_Day_Promises/18_day_promises.md b/18_Day_Promises/18_day_promises.md index 6d7be2af..6fef810f 100644 --- a/18_Day_Promises/18_day_promises.md +++ b/18_Day_Promises/18_day_promises.md @@ -172,7 +172,8 @@ doPromise The Fetch API provides an interface for fetching resources (including across the network). It will seem familiar to anyone who has used XMLHttpRequest, but the new API provides a more powerful and flexible feature set. In this challenge we will use fetch to request url and APIS. In addition to that let us see demonstrate use case of promises in accessing network resources using the fetch API. ```js -const url = 'https://restcountries.eu/rest/v2/all' // countries api + +const url = 'https://restcountries.com/v2/all' // countries api fetch(url) .then(response => response.json()) // accessing the API data as JSON .then(data => { // getting the data @@ -219,7 +220,7 @@ Let us fetch API data using both promise method and async and await method. - promise ```js -const url = 'https://restcountries.eu/rest/v2/all' +const url = 'https://restcountries.com/v2/all' fetch(url) .then(response => response.json()) .then(data => { @@ -249,7 +250,7 @@ fetchData() ## Exercises ```js -const countriesAPI = 'https://restcountries.eu/rest/v2/all' +const countriesAPI = 'https://restcountries.com/v2/all' const catsAPI = 'https://api.thecatapi.com/v1/breeds' ``` diff --git a/21_Day_DOM/21_day_dom.md b/21_Day_DOM/21_day_dom.md index 57553911..fd56208e 100644 --- a/21_Day_DOM/21_day_dom.md +++ b/21_Day_DOM/21_day_dom.md @@ -214,7 +214,7 @@ const titles = document.querySelectorAll('h1') titles[3].textContent = 'Fourth Title' ``` -#### Adding Text Content using innHTML +#### Adding Text Content using innerHTML Most people get confused between _textContent_ and _innerHTML_. _textContent_ is meant to add text to an HTML element, however innerHTML can add a text or HTML element or elements as a child. diff --git a/readMe.md b/readMe.md index f8d88b92..c2d30f83 100644 --- a/readMe.md +++ b/readMe.md @@ -205,7 +205,7 @@ console.log('Hello, World!') ##### Console.log with Multiple Arguments -The **conole.log()** function can take multiple parameters separated by comma. The syntax looks like as follows:**console.log(param1, param2, param3)** +The **console.log()** function can take multiple parameters separated by comma. The syntax looks like as follows:**console.log(param1, param2, param3)** ![console log multiple arguments](./images/console_log_multipl_arguments.png) @@ -231,11 +231,11 @@ We add comments to our code. Comments are very important to make code more reada **Example: Multiline Comment** -/_ +/* This is a multiline comment Multiline comments can take multiple lines JavaScript is the language of the web - _/ + */ ##### Syntax @@ -527,18 +527,18 @@ Multiline commenting: ```js /* - let location = 'Helsinki'; - let age = 100; - let isMarried = true; - This is a Multiple line comment - */ + let location = 'Helsinki'; + let age = 100; + let isMarried = true; + This is a Multiple line comment +*/ ``` ## Variables Variables are _containers_ of data. Variables are used to _store_ data in a memory location. When a variable is declared, a memory location is reserved. When a variable is assigned to a value (data), the memory space will be filled with that data. To declare a variable, we use _var_, _let_, or _const_ keywords. -For a variable that changes at a different time, we use _let_. If the data does not change at all, we use _const_. For example, PI, country name, gravity do no change, and we can use _const_. We will not use var in this challenge and I don't recommend you to use it. It is error prone way of declaring variable it has lots of leak. We will talk more about var, let, and const in detail in other sections (scope). For now, the above explanation is enough. +For a variable that changes at a different time, we use _let_. If the data does not change at all, we use _const_. For example, PI, country name, gravity do not change, and we can use _const_. We will not use var in this challenge and I don't recommend you to use it. It is error prone way of declaring variable it has lots of leak. We will talk more about var, let, and const in detail in other sections (scope). For now, the above explanation is enough. A valid JavaScript variable name must follow the following rules: @@ -571,7 +571,7 @@ year2020 year_2020 ``` -The first and second variables on the list follows the camelCase convention of declaring in JavaScrip. In this material, we will use camelCase variables. +The first and second variables on the list follows the camelCase convention of declaring in JavaScript. In this material, we will use camelCase variables. Example of invalid variables: @@ -603,16 +603,15 @@ console.log(firstName, lastName, country, city, age, isMarried) ``` ```sh -Asabeneh Yetayeh Finland Helsinki 100 True +Asabeneh Yetayeh Finland Helsinki 100 true ``` ```js // Declaring variables with number values let age = 100 // age in years const gravity = 9.81 // earth gravity in m/s2 -const boilingPoint = 100 // water boiling point, temperature in oC +const boilingPoint = 100 // water boiling point, temperature in °C const PI = 3.14 // geometrical constant - console.log(gravity, boilingPoint, PI) ``` @@ -623,8 +622,8 @@ console.log(gravity, boilingPoint, PI) ```js // Variables can also be declaring in one line separated by comma let name = 'Asabeneh', // name of a person - job = 'teacher', - live = 'Finland' +job = 'teacher', +live = 'Finland' console.log(name, job, live) ```