How do you render a ko template of a UiComponent?.How do you bind a ko view model to a section of the DOM with the scope binding?.In this article, we will answer the following questions: In this article, we refer to the module files that use knockout.js and explain the usage of the framework to perform various functions in Magento 2.
In Magento 2, it is used in dynamic modules like Checkout, Customer and others. It implements the Model-View-ViewModel pattern. Knockout.js is a library that allows creating dynamic interfaces using various bindings to DOM elements. For more details, we recommend to read the official documentation: We tried to outline the UI Component configuration in Magento 2 in general terms. Now “property2” and “propert圓” will be tracked and when they are changed, the script from the JS file will run again. htmlįor example, the file app/code/Magento/Checkout/view/frontend/layout/checkout_index_index.xml has a fragment of the UI Component configuration code: Using the following attribute: data-mage-init = ‘ – the name of the template without the suffix. To partially smooth out the cons of this option, try to use the attributeĭeferred = “true” or at least async = “true” in all cases when it is possible (for scripts by links, it doesn’t work with inline scripts). The option is applicable if you connect well known libraries via cdn or if you use a third-party aggregator of your scripts. This option is considered the least desirable, since it is impossible to redefine classes in the script and any interaction with a user is minimized. It’s possible through connecting scripts in the page head, a special engine framework or RequireJS (the most preferred one).Ĭonsider the first option – connecting scripts in the page head. Magento 2 allows connecting custom scripts for the entire site, certain pages, or even certain blocks or parts of the page. Include custom JavaScript on pages What options exist to include custom JavaScript on a page?
Section 6: Customize and Create JavaScript 6.1.
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