Transformer is an efficient asset, which is used mainly to step up-step down voltage levels in a power system and it is necessary to find its performance parameters such as efficiency and voltage regulation. These OC-SC tests are very effective in finding the regulation ...
不可变与可变(Immutable and Mutable)栈内存中会储存两种变量数据:原始值和对象引用。 不仅类型不同,它们在栈内存中的具体表现也不太一样。 原始值(Primitive values)🚫 Primitive values are immutable! 前面有说到:原始类型的数据(原始值)直接储存在栈内存中。 ⑴ 当我们定义一个原始类型变量的时候,JavaScript ...