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What can you do with knockout JS in Magento?
KO JS provides us with the computed method which allows us to create an observable based on the logic returned within the computed function. This can be a combination of anything including normal observables or simple string values. So let’s improve our code so that the colour of the timer updates when just one or more of the RGB values changes.
How to intialise a component in Magento 2?
As you can see, the component to be intialised is the ‘m2kocomponent’ where we define the location of the component javascript file via the component key, and also the template. Although we are defining the template here, you can also define one in the component JS file.
Which is the most useful feature of knockout JS?
The most useful feature in Knockout JS is the observable along with observable arrays. It enables you to have dynamic data-binding with variables which are immediately updated in the template when the value within the component changes.
How does Magento parse the contents of a script?
Taking a closer look at this, Magento parses the script contents within the
How to subscribe to observables in Magento 2?
You can also subscribe to observables, meaning that when the value of them is changed, an event is fired and you can hook into this in order to run some kind of logic within another function or multiple functions. So, for our example, we are going to update the colour of the timer text to a random colour every time the myTimer variable updates.
How to display success and error messages in Magento 2?
By default, the platform lets you display success and error messages in Magento 2 for both store visitors and administrators. You can inform users on frontend and backend about the completeness of their actions. In this article, we describe two ways of showing success and error messages in Magento 2: Observer.