Shulou(Shulou.com)06/01 Report--

This article mainly introduces the example analysis of the scope of var and let functions in JavaScript, which is very detailed and has a certain reference value. Interested friends must read it!

Function scope

When declaring variables within a function, using var is very similar to let.

They all have function scope:

Function myFunction () {var carName = "porsche"; / / function scope} function myFunction () {let carName = "porsche"; / / function scope} above is all the content of the article "sample Analysis of var and let function scope in JavaScript". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.