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Knockout JS Pertanyaan dan Jawaban Wawancara

Ques 21. Explain the 'templateOptions' property in Knockout JS.

The 'templateOptions' property allows you to pass additional options to a template specified in the 'template' binding.

Example:

;  Details; var viewModel = { person: { name: 'John' } };

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Ques 22. How can you handle submit events in Knockout JS?

You can use the 'submit' binding to associate a function with the submit event of a form element.

Example:

  ; var viewModel = { handleSubmit: function() { alert('Form submitted!'); } };

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Ques 23. What is the purpose of the 'if' binding in Knockout JS?

The 'if' binding is used to conditionally render or remove an HTML element based on the truthiness of the associated observable or expression.

Example:

Content to show
; var viewModel = { shouldShowContent: ko.observable(true) };

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Ques 24. Explain the 'with' binding in Knockout JS.

The 'with' binding is used to change the context for descendant elements, allowing you to bind against a different object.

Example:

; var viewModel = { person: { name: 'John' } };

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Ques 25. What is the purpose of the 'options' binding in Knockout JS?

The 'options' binding is used to generate a set of 'option' elements based on an array or object and bind the selected value to an observable.

Example:

; var viewModel = { countries: ['USA', 'Canada', 'UK'], selectedCountry: ko.observable('USA') };

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