How does the use of global variables or constants help in executing functions that require arguments within event listeners?
Tuesday, 21 May 2024
by EITCA Academy
The use of global variables or constants in JavaScript can play a significant role in the execution of functions that require arguments within event listeners. This practice is particularly relevant in scenarios where multiple event listeners need to share or access the same data, or where the data needs to be maintained across different scopes
- Published in Web Development, EITC/WD/JSF JavaScript Fundamentals, Functions in JavaScript, Executing functions indirectly, Examination review
Tagged under:
Best Practices, Constants, Event Listeners, Global Variables, JavaScript, Web Development
What is the difference between passing a function reference with and without parentheses when setting up an event listener in JavaScript?
Tuesday, 21 May 2024
by EITCA Academy
In the context of JavaScript, when setting up an event listener, one often encounters the need to pass a function reference. This can be done either with or without parentheses, and the distinction between these two approaches is important for understanding how functions are executed indirectly in JavaScript. When you pass a function reference without
- Published in Web Development, EITC/WD/JSF JavaScript Fundamentals, Functions in JavaScript, Executing functions indirectly, Examination review
Tagged under:
Anonymous Functions, Event Listeners, Function Binding, Function References, JavaScript, Web Development