Difference between Angular 4 and Angular 5
Angular 4: Angular 4 was launched 5 years after the official release of AngularJS. Angular 4 is a JavaScript-based open-source framework for building web applications in JavaScript, HTML, and TypeScript, which is a superset of JavaScript. Angular 4 was launched in the March 2017 and supports earlier TypeScript versions such as TypeScript 2.2 and 2.1.
Angular 5: Angular 5 is a later version of the AngularJS that came after Angular 4, developed for creating apps faster, as it removes unnecessary codes. Angular 5 is more advanced and has its own set of features like build optimizer, compiler improvements, and code-sharing feature. It was launched on 1st November 2017.
Difference between Angular 4 and Angular 5:
S.No. | Angular 4 | Angular 5 |
---|---|---|
1. | Angular 4 was launched in the March 2017. | Angular 5 was launched in the November 2017. |
2. | Angular 4 supports earlier TypeScript versions such as TypeScript 2.2 and 2.1. | Angular 5 only supports TypeScript 2.5. |
3. | Angular 4 does not provide the option to restrict the unneeded white spaces, tabs and newlines. | While Angular 5 provides the option to restrict tabs, whitespaces and newlines. |
4. | Angular 4 does not have the feature of build optimizer. | Angular 5 has the feature of build optimizer. |
5. | Angular 4 does not provide support for multiple naming scheme. | Angular 5 provides support of multiple names for both directives and components. |
6. | In Angular 4, traditional approach is used for tracking life cycle events. | In Angular 5, developer can track the route of life cycle events with new router which provides a more realistic tracking. |