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home / developersection / interviews / how does knockout.js handle templating?
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Ashutosh Patel
Ashutosh Patel

Web Developer

I am a professional .NET developer with over 4 years of hands-on industry experience in designing, developing, and maintaining scalable web applications. I specialize in .NET Core, C#, RESTful APIs, and database-driven systems using SQL Server.

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1 Answers

Ashutosh Patel
Ashutosh Patel 28 Jun 2024
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Knockout.js Handle Template

Knockout.js handles templating by providing multiple options that facilitate dynamic generation and HTML manipulation based on the data in your ViewModel.

Here are several type of template binding in knockout.js,

Template Binding 

Template binding allows you to bind the content of an element to a specified template.

<!-- Template definition -->
<script type="text/html" id="my-template">
   <div>
       <h2 data-bind="text: title"></h2>
       <p data-bind="text: content"></p>
   </div>
</script>
<!-- Using the template -->
<div data-bind="template: { name: 'my-template', data: { title: 'Hello', content: 'World' } }"></div>

foreach Binding 

The foreach binding allows you to iterate and define on a collection in your ViewModel

<div data-bind="foreach: items">
   <p data-bind="text: $data"></p>
</div>

if and ifnot Bindings if and ifnot bindings present a condition to an HTML-based boolean expression in your ViewModel.

<div data-bind="if: isVisible">
   <p>Visible content</p>
</div>
<div data-bind="ifnot: isVisible">
   <p>Hidden content</p>
</div>

with Binding 

with binding Changes the current binding definition to the specified object, so that you can access the property directly in the nested scope.

<div data-bind="with: user">
   <p>Name: <span data-bind="text: name"></span></p>
   <p>Email: <span data-bind="text: email"></span></p>
</div>

Also, Read: Explain Inline vs. External Templates in knockout.js.

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