'I want to check if either both a and b equals 1 or if both c and d equals 1. Your existing code as shown should already do what you seem to be describing. Express web framework (Node.Well now that I've finished telling everybody else (except David) why their answers are wrong, let me give them the same chance to hassle me.Express Web Framework (node.js/JavaScript).Django Tutorial Part 11: Deploying Django to production.Django Tutorial Part 10: Testing a Django web application.Django Tutorial Part 9: Working with forms.Django Tutorial Part 8: User authentication and permissions.Django Tutorial Part 7: Sessions framework.Django Tutorial Part 6: Generic list and detail views.

Django Tutorial Part 5: Creating our home page Conditionally spread an entity to Array console.log ( 'Dan', 'Alex'.

Django Tutorial Part 4: Django admin site.

Django Tutorial Part 2: Creating a skeleton website.

Django Tutorial: The Local Library website.

Setting up a Django development environment.

Server-side website programming first steps.

Setting up your own test automation environment.

Building Angular applications and further resources.

Advanced Svelte: Reactivity, lifecycle, accessibility.

Dynamic behavior in Svelte: working with variables and props.

Vue conditional rendering: editing existing todos.

Adding a new todo form: Vue events, methods, and models.

Ember Interactivity: Footer functionality, conditional rendering.

Ember interactivity: Events, classes and state.

Ember app structure and componentization.

React interactivity: Editing, filtering, conditional rendering.

Understanding client-side web development tools.

MathML - Writing mathematics with MathML.

Performance - Making websites fast and responsive.

Assessment: Accessibility troubleshooting.

CSS and JavaScript accessibility best practices.

Accessibility - Make the web usable by everyone.

CSS property compatibility table for form controls.

Adding features to our bouncing balls demo.

Making decisions in your code - conditionals.

Basic math in JavaScript - numbers and operators.

Storing the information you need - Variables.

What went wrong? Troubleshooting JavaScript.

JavaScript - Dynamic client-side scripting.

Typesetting a community school homepage.

HTML table advanced features and accessibility.

From object to iframe - other embedding technologies.

Javascript conditional