How to execute the function immediately by JavaScript

This article mainly introduces JavaScript how to execute the function immediately, the article is very detailed, has a certain reference value, interested friends must read it!

Execute the function immediately

Execute the function immediately so that the variables in our code do not pollute external variables, which are commonly used like the following.

/ / use parentheses to enclose the function call (function (window, $) {/ / internal code}) (window, jQuery)

A more elegant way is the following, in fact, many other arithmetic operators such as +, -, *, ~, etc.

! Function (window, $) {/ / internal code} (window, jQuery) / / you can also use +, -, *, etc. + function (window, $) {/ / internal code} (window, jQuery) / / more miraculously, you can also use new, typeof and other operators new function (window, $) {/ / internal code} (window, jQuery) These are all the contents of the article "how to execute functions immediately by JavaScript". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!