understanding javascript closures: a comprehensive guide. what is a closure? a closure is a fundamental javascript concept where an inner function has access to variables and parameters...
闭包是javascript中的重要概念,指内部函数可以访问外部函数的变量,即使外部函数已执行完。每个闭包都有自己的作用域、外部函数的变量和全局变量。闭包支持数据隐私、状态保持和函数工厂等功能,对javascript开发者至关重要。