a closure is a feature in javascript where an inner function has access to variables from its outer function, even after the outer function has finished executing. this allows the inner function...
闭包是javascript的特性,允许内部函数访问外部函数的变量,即使外部函数已执行完。它使函数能记住创建时的环境,保持状态持久性,增强模块化和数据封装。