FeJWMy Promise PolyfillAbstract: This post is about my understanding of JavaScript Promise and shows example of my own Promise class in order to help understand…5 min read·May 7, 2022----
FeJWUnderstanding CSS Flexbox — Jerry’s Tech NoteUnderstanding CSS Flexbox1 min read·Feb 27, 2022----
FeJWDesign Pattern — Observer and Pub/SubDesign Pattern — Observer and Pub/Sub4 min read·Feb 27, 2022----
FeJWUnderstanding JS call, apply, bind and their polyfillIn my daily JavaScript work, the function call, apply and bind are used pretty often to replace the value of this in the function lexical…3 min read·Dec 7, 2020----