箭头函数
箭头函数自动绑定到周围代码的 this 词法范围。
performSomething(result => {
this.someVariable = result
})
VS
performSomething(function(result) {
this.someVariable = result
}.bind(this))
箭头函数自动绑定到周围代码的 this 词法范围。
performSomething(result => {
this.someVariable = result
})
VS
performSomething(function(result) {
this.someVariable = result
}.bind(this))