How to Ensure Global Variable Accessibility Across Multiple JavaScript Files?-JS Tutorial-php.cn

How to Ensure Global Variable Accessibility Across Multiple JavaScript Files?

Accessing Global Variables Across Multiple JavaScript Files

You are facing a challenge in accessing a global variable from an external JavaScript file (helpers.js) within your HTML code. You have tried defining a global variable (myFunctionTag) in both the HTML and helpers.js, but it appears as false in the HTML despite being set to true in helpers.js.

To resolve this issue, the key lies in understanding how global variables are defined and accessed in JavaScript. When a global variable is declared within a function or block of code, it becomes scoped within that function or block. To make it accessible across multiple files, the variable must be defined outside any functions or blocks, typically at the beginning of the script.

In this specific case, the problem arises because you are declaring the myFunctionTag variable inside the