How to use track by with ng-repeat?
In AngularJS, ng-repeat is used to loop over a list and display items dynamically. However, by default, AngularJS tracks items by their index, which can lead to performance issues, especially….
Tag: track by
Avoiding excessive $watch usage for performance
AngularJS’s $watch() is powerful for tracking changes in scope variables, but excessive use can significantly impact performance. Since AngularJS runs a digest cycle to check for changes, having too many….
Preventing unnecessary re-renders in directives
When working with custom directives in AngularJS, performance can suffer due to unnecessary re-renders caused by excessive $digest cycle executions. Preventing these re-renders is crucial for optimizing application performance. 1…..
Using track by in ng-repeat for better list rendering
When using ng-repeat to iterate over a list, AngularJS tracks each item by its index by default. However, this can lead to poor performance, especially when dealing with large lists…..
Avoiding unnecessary watchers for better performance
AngularJS relies heavily on watchers ($watch, $watchGroup, and $watchCollection) to track changes in data and update the UI accordingly. However, excessive or unnecessary watchers can lead to performance issues, especially….
Using track by in ng-repeat for improved performance
What You’ll Learn Why ng-repeat can slow down performance How track by improves efficiency Best practices for using track by 1️⃣ Understanding ng-repeat Performance Issues AngularJS uses ng-repeat to loop….
Minimizing unnecessary re-renders in AngularJS
What You’ll Learn Why unnecessary re-renders happen in AngularJS How to optimize performance by reducing digest cycles Best practices to minimize re-renders 1️⃣ Understanding Re-Renders in AngularJS How Rendering Works….
Performance considerations when using filters
Filters in AngularJS are powerful tools for transforming and displaying data in real time. However, improper use can lead to performance issues, especially when working with large datasets or frequent….
ng-repeat – Looping through arrays in AngularJS
In AngularJS, the ng-repeat directive is used to iterate over an array or object and display its elements dynamically in an HTML template. It is similar to a loop in….