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Merge pull request #548 from Dikendev/master
day 1 portuguese translation
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‎Portuguese/02_Day_Data_types/02_day_data_types.md‎

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‎Portuguese/02_Day_Data_types/02_day_starter/index.html‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>30DaysOfJavaScript</title>
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</head>
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<body>
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<h1>30DaysOfJavaScript:02 Day</h1>
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<h2>Data types</h2>
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<!-- import your scripts here -->
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<script src="./main.js"></script>
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</body>
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</html>

‎Portuguese/02_Day_Data_types/02_day_starter/main.js‎

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// this is your main.js script

‎Portuguese/02_Day_Data_types/day_1_2.png‎

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‎Portuguese/02_Day_Data_types/math_object.js‎

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const PI = Math.PI
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console.log(PI) // 3.141592653589793
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console.log(Math.round(PI)) // 3; to round values to the nearest number
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console.log(Math.round(9.81)) // 10
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console.log(Math.floor(PI)) // 3; rounding down
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console.log(Math.ceil(PI)) // 4; rounding up
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console.log(Math.min(-5, 3, 20, 4, 5, 10)) // -5, returns the minimum value
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console.log(Math.max(-5, 3, 20, 4, 5, 10)) // 20, returns the maximum value
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const randNum = Math.random() // creates random number between 0 to 0.999999
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console.log(randNum)
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// Let create random number between 0 to 10
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const num = Math.floor(Math.random() * 11) // creates random number between 0 and 10
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console.log(num)
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//Absolute value
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console.log(Math.abs(-10)) //10
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//Square root
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console.log(Math.sqrt(100)) // 10
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console.log(Math.sqrt(2)) //1.4142135623730951
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// Power
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console.log(Math.pow(3, 2)) // 9
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console.log(Math.E) // 2.718
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// Logarithm
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//Returns the natural logarithm of base E of x, Math.log(x)
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console.log(Math.log(2)) // 0.6931471805599453
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console.log(Math.log(10)) // 2.302585092994046
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// Trigonometry
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console.log(Math.sin(0))
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console.log(Math.sin(60))
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console.log(Math.cos(0))
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console.log(Math.cos(60))

‎Portuguese/02_Day_Data_types/non_primitive_data_types.js‎

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let nums = [1, 2, 3]
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nums[0] = 10
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console.log(nums) // [10, 2, 3]
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let nums = [1, 2, 3]
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let numbers = [1, 2, 3]
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console.log(nums == numbers) // false
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let userOne = {
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name: 'Asabeneh',
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role: 'teaching',
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country: 'Finland'
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}
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let userTwo = {
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name: 'Asabeneh',
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role: 'teaching',
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country: 'Finland'
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}
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console.log(userOne == userTwo) // false
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let numbers = nums
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console.log(nums == numbers) // true
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let userOne = {
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name:'Asabeneh',
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role:'teaching',
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country:'Finland'
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}
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let userTwo = userOne
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console.log(userOne == userTwo) // true

‎Portuguese/02_Day_Data_types/number_data_types.js‎

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let age = 35
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const gravity = 9.81 //we use const for non-changing values, gravitational constant in m/s2
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let mass = 72 // mass in Kilogram
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const PI = 3.14 // pi a geometrical constant
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//More Examples
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const boilingPoint = 100 // temperature in oC, boiling point of water which is a constant
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const bodyTemp = 37 // oC average human body temperature, which is a constant
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console.log(age, gravity, mass, PI, boilingPoint, bodyTemp)

‎Portuguese/02_Day_Data_types/primitive_data_types.js‎

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let word = 'JavaScript'
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// we dont' modify string
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// we don't do like this, word[0] = 'Y'
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let numOne = 3
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let numTwo = 3
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console.log(numOne == numTwo) // true
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let js = 'JavaScript'
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let py = 'Python'
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console.log(js == py) //false
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let lightOn = true
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let lightOff = false
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console.log(lightOn == lightOff) // false

‎Portuguese/02_Day_Data_types/string_concatenation.js‎

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// Declaring different variables of different data types
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let space = ' '
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let firstName = 'Asabeneh'
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let lastName = 'Yetayeh'
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let country = 'Finland'
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let city = 'Helsinki'
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let language = 'JavaScript'
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let job = 'teacher'
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// Concatenating using addition operator
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let fullName = firstName + space + lastName // concatenation, merging two string together.
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console.log(fullName)
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let personInfoOne = fullName + '. I am ' + age + '. I live in ' + country // ES5
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console.log(personInfoOne)
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// Concatenation: Template Literals(Template Strings)
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let personInfoTwo = `I am ${fullName}. I am ${age}. I live in ${country}.` //ES6 - String interpolation method
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let personInfoThree = `I am ${fullName}. I live in ${city}, ${country}. I am a ${job}. I teach ${language}.`
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console.log(personInfoTwo)
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console.log(personInfoThree)

‎Portuguese/02_Day_Data_types/string_data_types.js‎

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let space = ' ' // an empty space string
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let firstName = 'Asabeneh'
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let lastName = 'Yetayeh'
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let country = 'Finland'
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let city = 'Helsinki'
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let language = 'JavaScript'
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let job = 'teacher'

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