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Heru Hartanto

Frontend developer based in Jakarta

Understanding classes in javascript

Understanding classes in javascript

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How to destructure object and make alias for keys name

How to destructure object and make alias for keys name

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What is hoisting javascript ?

What is hoisting javascript ?

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Type of function

Type of function

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'1' - '1' / 2 = ? , Can you find the answer ?

'1' - '1' / 2 = ? , Can you find the answer ?

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Clean your condition 🧼

Clean your condition 🧼

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Clean your function 🧼

Clean your function 🧼

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Clean your variable 🧼

Clean your variable 🧼

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How to know if you are good enough as developer ?

How to know if you are good enough as developer ?

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How to converting string number to number without parseInt or parseFloat

How to converting string number to number without parseInt or parseFloat

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Shorthand for calling functions conditionally

Shorthand for calling functions conditionally

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Optional Chaining ?.

Optional Chaining ?.

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Small mistake to avoid as developer

Small mistake to avoid as developer

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How to clone object except for one or some keys

How to clone object except for one or some keys

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React Functional over Class components ? 🤔

React Functional over Class components ? 🤔

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How to use 'effect' hook easy way

How to use 'effect' hook easy way

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React state hook , easy way

React state hook , easy way

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Don't use float

Don't use float

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How to duplicate array

How to duplicate array

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Some git command that you might never use it yet

Some git command that you might never use it yet

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How to swap two variable value without using temporary variable

How to swap two variable value without using temporary variable

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Create Variable without var

Create Variable without var

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Set default value in your function parameter

Set default value in your function parameter

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