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Unlike nodejs non-blocking callback styles, all underscorejs are using sync style. For some heavy functions like _.template, I do think it will block.
I don't know why underscorejs doesn't use callbacks, or it doesn't matter because they are all in-memory calculation?
Thanks,
Ron
Because asynchronous design is not at the core of underscore like it is with node.js. Underscore favors simplicity and a familiarity to developers who already know jQuery.
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What is the preferred pattern for creating a repeater in ng2? I was thinking that I might do this with NgFor but NgFor is deprecated according to angular.io: https://angular.io/api/common/NgFor/. However, the same page on angular.io doesn't state the repeater pattern that should be used as an alternative. Can anyone here provide some insight on the latest patterns being used to implement repeaters in ng2 apps?
In most cases, you want to use the short-cut version: *ngFor. Behind the scenes, this is implemented as ngForOf. If you stick to the short-cut version, you don't have to worry about the "behind the scenes" changes.
See this link for more information: What is Angular [ngForOf] usage
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Is this a good practice? I mean is it good if all of my codes(behavior,presentation,structure) are inside on my .js(for example, since I'm making a website) file? Why? Sorry for my bad english.
Obviously it is not good practice, the recommended practice is to split all the code into its designated file. The simplest method is to use multiple script tags with src.
If you're really interested in dividing up your code efficiently, I would suggest learning BoostrapJS or AngularJS.
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I have good knowledge of HTML CSS Bootstrap and Basic knowledge of Javascript & Jquery so do I need to clear all Object oriented programming before jump on Angular?
Yes you should, but not just because of angular. For complex applications an Object oriented Structure is always a good decision, because it will help you to represent an subset of the reality in your application
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Would angular.js be considered too large to use for simpler use cases, for example just for a certain
portion of a web page which is not a SPA ?
I would say yes. For small tasks like you describe here, I prefer to use simpler two-way-binding-frameworks such as KnockoueJS. It is super easy and you can achieve quite a lot of cool funtionality.
The answer of your question is yes and it is discussed in the AngularJS documentation.
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What are the advantages of using requireJS if all the script files are merged into one in production?
Im working on a multiple page project.
You only merge the files for staging and production. In development you keep them separate.
This lets you manage your JavaScript by dividing it into discrete units. This makes it easier to test, easier to reuse and easier to find the piece of code you need to change.