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简单来说就是JS 中的同一个变量可以用作不同类型。 又由于这种松散的特性,所以在运行过程中可能因为类型导致代码运行错误
和解释型语言相对的是编译型语言。
编译型语言在执行代码前,需要将高级语言编写的代码编译成机器语言后,才被计算机所执行。 而解释型语言则是一边执行一边编译成计算机语言。
JS就是解释型语言。
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JS是动态类型语言
简单来说就是JS 中的同一个变量可以用作不同类型。
又由于这种松散的特性,所以在运行过程中可能因为类型导致代码运行错误
JS是解释型语言
和解释型语言相对的是编译型语言。
编译型语言在执行代码前,需要将高级语言编写的代码编译成机器语言后,才被计算机所执行。
而解释型语言则是一边执行一边编译成计算机语言。
JS就是解释型语言。
JS语句的执行过程
The text was updated successfully, but these errors were encountered: