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Test your JavaScript skills Series' Articles

Back to Coderslang: Become a Software Engineer's Series
JS Test #1: Type conversion in JavaScript
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JS Test #1: Type conversion in JavaScript

#programming #codenewbie #javascript #beginners
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1 min read
JS Test #2: How to create an array in JavaScript
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JS Test #2: How to create an array in JavaScript

#programming #beginners #codenewbie #javascript
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1 min read
JS Test #3: Adding strings to numbers and booleans
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JS Test #3: Adding strings to numbers and booleans

#beginners #javascript #codenewbie #webdev
Reactions 28 Comments
1 min read
JS Test #4: try/catch
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JS Test #4: try/catch

#beginners #codenewbie #javascript #programming
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1 min read
JS Test #5: Can you use an arrow function as a getter?
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JS Test #5: Can you use an arrow function as a getter?

#beginners #programming #javascript #codenewbie
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1 min read
JS Test #6: Variable number of arguments
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JS Test #6: Variable number of arguments

#beginners #codenewbie #javascript #webdev
Reactions 14 Comments
1 min read
JS Test #7: Is this an array?
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JS Test #7: Is this an array?

#beginners #codenewbie #javascript #programming
Reactions 13 Comments 3
1 min read
JS Test #8: Zero timeout
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JS Test #8: Zero timeout

#beginners #javascript #codenewbie
Reactions 10 Comments
1 min read
JS Test #9: Promise.reject + try/catch
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JS Test #9: Promise.reject + try/catch

#beginners #javascript #codenewbie
Reactions 14 Comments 1
1 min read
JS Test #11: Scope
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JS Test #11: Scope

#javascript #learn #codenewbie #beginners
Reactions 12 Comments
1 min read
JS Test #10: null + undefined
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JS Test #10: null + undefined

#beginners #learn #javascript #codenewbie
Reactions 14 Comments 1
1 min read
JS Test #12: Math.min()
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JS Test #12: Math.min()

#beginners #learn #codenewbie #javascript
Reactions 11 Comments
1 min read
JavaScript Interview #13: Big numbers
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JavaScript Interview #13: Big numbers

#beginners #javascript #codenewbie #interview
Reactions 13 Comments 3
1 min read
JavaScript Interview Question #14: 0.1 + 0.2 = ?
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JavaScript Interview Question #14: 0.1 + 0.2 = ?

#beginners #javascript #codenewbie #webdev
Reactions 42 Comments 4
1 min read
JavaScript Interview Question #15: Getter function
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JavaScript Interview Question #15: Getter function

#beginners #javascript #codenewbie #webdev
Reactions 29 Comments 2
1 min read
JavaScript Interview Question #16: typeof NaN
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JavaScript Interview Question #16: typeof NaN

#beginners #codenewbie #javascript #interview
Reactions 17 Comments
1 min read
JavaScript Interview Question #17: Sum of Two Empty Arrays
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JavaScript Interview Question #17: Sum of Two Empty Arrays

#beginners #javascript #codenewbie #webdev
Reactions 66 Comments 16
1 min read
JavaScript Interview Question #18: What's the sum of two booleans in JavaScript?
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JavaScript Interview Question #18: What's the sum of two booleans in JavaScript?

#beginners #codenewbie #javascript #webdev
Reactions 47 Comments 8
1 min read
JavaScript Interview Question #19: Catching the rejected Promise
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JavaScript Interview Question #19: Catching the rejected Promise

#beginners #javascript #webdev #codenewbie
Reactions 25 Comments 2
1 min read
JavaScript Interview Question #20: Can you sum arrays with objects in JS?
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JavaScript Interview Question #20: Can you sum arrays with objects in JS?

#beginners #javascript #webdev #codenewbie
Reactions 21 Comments
1 min read
JavaScript Interview Question #21: ISO Date
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JavaScript Interview Question #21: ISO Date

#beginners #webdev #javascript #codenewbie
Reactions 17 Comments
1 min read
JavaScript Interview Question #22: How `toString` works in JavaScript?
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JavaScript Interview Question #22: How `toString` works in JavaScript?

#beginners #javascript #codenewbie #webdev
Reactions 24 Comments
1 min read
JavaScript Interview Question #23: Array.splice
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JavaScript Interview Question #23: Array.splice

#beginners #javascript #codenewbie #webdev
Reactions 25 Comments 2
2 min read
JavaScript Interview Question #24: Adding new properties to JS strings
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JavaScript Interview Question #24: Adding new properties to JS strings

#javascript #beginners #codenewbie #webdev
Reactions 14 Comments 2
1 min read
JavaScript Interview Question #25: Immediate Promise.resolve
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JavaScript Interview Question #25: Immediate Promise.resolve

#beginners #javascript #codenewbie #webdev
Reactions 30 Comments
1 min read
JavaScript Interview Question #26: Are these dates equal?
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JavaScript Interview Question #26: Are these dates equal?

#beginners #codenewbie #javascript #webdev
Reactions 20 Comments
1 min read
JavaScript Interview Question #27: Handling errors in JavaScript Promise chains
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JavaScript Interview Question #27: Handling errors in JavaScript Promise chains

#javascript #webdev #beginners #codenewbie
Reactions 30 Comments 4
1 min read
JavaScript Interview Question #28: Resolve and reject at the same time
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JavaScript Interview Question #28: Resolve and reject at the same time

#beginners #javascript #codenewbie #webdev
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1 min read
JavaScript Interview Question #29: Slice and dice
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JavaScript Interview Question #29: Slice and dice

#javascript #beginners #codenewbie #webdev
Reactions 29 Comments
1 min read
JavaScript Interview Question #30: Reject inside resolve
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JavaScript Interview Question #30: Reject inside resolve

#webdev #javascript #beginners #codenewbie
Reactions 11 Comments
1 min read
JavaScript Interview Question #31: Big or small
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JavaScript Interview Question #31: Big or small

#javascript #beginners #codenewbie #webdev
Reactions 30 Comments 2
1 min read
JavaScript Interview Question #32: 0.1 + 0.1 + 0.1 === 0.3
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JavaScript Interview Question #32: 0.1 + 0.1 + 0.1 === 0.3

#beginners #javascript #webdev #codenewbie
Reactions 53 Comments 4
1 min read
JavaScript Interview Question #33: Add two empty arrays and check the type
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JavaScript Interview Question #33: Add two empty arrays and check the type

#javascript #beginners #webdev #codenewbie
Reactions 45 Comments 6
1 min read
JavaScript Interview Question #34: Different ways to get the current date in JS
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JavaScript Interview Question #34: Different ways to get the current date in JS

#webdev #beginners #codenewbie #javascript
Reactions 30 Comments
1 min read
JavaScript Interview Question #35: What is faster, zero timeout, or immediate resolve?
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JavaScript Interview Question #35: What is faster, zero timeout, or immediate resolve?

#beginners #javascript #codenewbie #webdev
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JavaScript Interview Question #36: Can you add a new property to the JS array?
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JavaScript Interview Question #36: Can you add a new property to the JS array?

#webdev #javascript #beginners #codewnewbie
Reactions 31 Comments 3
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JavaScript Interview Question #37: What's the type of a single argument provided to the split function?
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JavaScript Interview Question #37: What's the type of a single argument provided to the split function?

#javascript #webdev #beginners #codenewbie
Reactions 29 Comments
1 min read
JavaScript Interview Question #38: Can you add multiple arrays in JavaScript?
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JavaScript Interview Question #38: Can you add multiple arrays in JavaScript?

#javascript #beginners #codenewbie #webdev
Reactions 42 Comments 8
1 min read
JavaScript Interview Question #39: How does setTimeout work inside the loop?
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JavaScript Interview Question #39: How does setTimeout work inside the loop?

#beginners #javascript #codenewbie #webdev
Reactions 45 Comments 3
1 min read
JavaScript Interview Question #40: What is the type of `undefined` in JS?
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JavaScript Interview Question #40: What is the type of `undefined` in JS?

#beginners #webdev #javascript #codenewbie
Reactions 29 Comments 5
1 min read
JavaScript Interview Question #41: Going above MAX_SAFE_INTEGER
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JavaScript Interview Question #41: Going above MAX_SAFE_INTEGER

#beginners #webdev #javascript #codenewbie
Reactions 16 Comments
1 min read
JavaScript Interview Question #42: How Math.max works in JS
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JavaScript Interview Question #42: How Math.max works in JS

#beginners #javascript #webdev #codenewbie
Reactions 21 Comments
1 min read
JavaScript Interview Question #43: Object.toString vs Array.toString
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JavaScript Interview Question #43: Object.toString vs Array.toString

#webdev #javascript #codenewbie #beginners
Reactions 14 Comments 4
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JavaScript Interview Question #44: Number vs BigInt in JS
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JavaScript Interview Question #44: Number vs BigInt in JS

#javascript #beginners #codenewbie #webdev
Reactions 19 Comments 2
1 min read
JavaScript Interview Question #45: Сurrency formatting in JS
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JavaScript Interview Question #45: Сurrency formatting in JS

#javascript #beginners #codenewbie #webdev
Reactions 51 Comments
1 min read
JavaScript Interview Question #46: Length of JS functions
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JavaScript Interview Question #46: Length of JS functions

#javascript #beginners #codenewbie #webdev
Reactions 64 Comments 10
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JavaScript Interview Question #47: How Object.setPrototypeOf works in JS
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JavaScript Interview Question #47: How Object.setPrototypeOf works in JS

#javascript #webdev #beginners #codenewbie
Reactions 26 Comments
2 min read
JavaScript Interview Question #48: Dog-sized Cat
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JavaScript Interview Question #48: Dog-sized Cat

#webdev #beginners #javascript #codenewbie
Reactions 36 Comments 2
1 min read
JavaScript Interview Question #49: Add a new array element by index
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JavaScript Interview Question #49: Add a new array element by index

#beginners #codenewbie #webdev #javascript
Reactions 45 Comments 5
1 min read
JavaScript Interview Question #50: How does Intl.Collator work in JS
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JavaScript Interview Question #50: How does Intl.Collator work in JS

#javascript #webdev #beginners #codenewbie
Reactions 74 Comments
1 min read