作用域

zuòyòngyù

noun

Meanings

1 scope (programming, variables)
2 variable scope

Characters

Examples

局部变量的作用域只在函数内部。

Júbùbiànliàng de zuòyòngyù zhǐ zài hánshù nèibù.

The scope of local variables is only within the function.

JavaScript有函数作用域和块作用域。

JavaScript yǒu hánshù zuòyòngyù hé kuài zuòyòngyù.

JavaScript has function scope and block scope.

Tips

usage

作用 (to act / effect) + 域 (domain / region) — literally 'domain of effect', i.e. where the variable takes effect. 域 also appears in 领域 (field), 区域 (zone), 域名 (domain name).

Stroke Order

作 zuò

用 yòng

域 yù