# Dev

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How to define a default value for function in JavaScript

Here is the ultimate guide to set a default value in your function without writing too much code that people can read

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Why do we need to write tests

Tests are boring why do we need to write them

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How to write tests for Vue

Start writing tests today for your Vue application with this guide

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How do I write tests for my JS app

The post you need to start writing tests for your JavaScript

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Debugging Apollo Cache

The observation from implementing caching in Apollo

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Working with Vue and Apollo GraphQL

Let's see GraphQL in action in your Vue app

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Moving to GraphQL

Here is our starting point to the new architecture

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How I Debug Poor Performance - Network

Here is how you can debug for poor performance by looking at network infomation

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How Not to Slow Your Vue App

Here are some tips that you can do to NOT slow down your Vue app

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Getting Started with Vue 3

Getting started with Vue 3 with Vuex and Vue Router

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Firebase Functions Image Resizing

Automatically resize your image on Firebase to generate thumbnail

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Flutter libraries I cannot live without

These libraries have made my Flutter developer experience more delightful

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Flutter for Frontend Engineer

Flutter is easy to pick up especially for frontend engineer who wants to quickly starts a project

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Vue 3 and Composition API

See what is new in Vue 3 and how Composition API can better organize your code

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Serving Modern and Legacy Bundle

Serving the right amount of JavaScripts to different browsers to improve performance

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Serving Image at the Right Time

Serving beautiful image at the right time is crucial to the overall user experience

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Webpack Finally Lazy Load

Six-month frustration with Webpack code splitting and lazy loading fixed in one article.

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