node 中全局变量(没有var关键字声明,或者定义在global变量上)要释放的话,可通过delete操作或者重新赋值即可
global.name='test'
console.log(global.name);
delete global.name;
global.name=undefined;
console.log(global.name);
node 中全局变量(没有var关键字声明,或者定义在global变量上)要释放的话,可通过delete操作或者重新赋值即可
global.name='test'
console.log(global.name);
delete global.name;
global.name=undefined;
console.log(global.name);