箭頭函式
箭頭函式自動繫結到周圍程式碼的 this 詞法範圍。
performSomething(result => {
this.someVariable = result
})
VS
performSomething(function(result) {
this.someVariable = result
}.bind(this))
箭頭函式自動繫結到周圍程式碼的 this 詞法範圍。
performSomething(result => {
this.someVariable = result
})
VS
performSomething(function(result) {
this.someVariable = result
}.bind(this))