jQuery中(functioon(){...};)()的解释

最新推荐文章于 2021-04-26 15:46:47 发布

原创最新推荐文章于 2021-04-26 15:46:47 发布 · 952 阅读

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本文详细介绍了JavaScript中函数调用的语法与实现机制。重点解释了如何使用()运算符来调用函数，包括该运算符的语法结构、参数传递方式及其在实际编程中的应用。

The ( ) operator is used to invoke functions in JavaScript. This is an unusual operator in that it does not have a fixed number of operands. The first operand is always th e name of a function or an expression that refers to a function. It is followed by the left parenthesis and any number of additional operands, which may be arbitrary expressions, each separated from the next with a comma. The right parenthesis follows the final operand. The ( ) operator evaluates each of its operands and then invokes the function specified by the first operand, with the values of the remaining operands passed as arguments.

摘自《 JavaScript: The Definitive Guide, 4th Edition 》