How deeply does Web Components in Action cover backward compatibility?

Builds a conditional rendering strategy, selector conversions, and a polyfill setup; defers the IE11 transpilation step.

Backward compatibility

As explained in Web Components in Action

Compatibility of software with earlier browsers, platforms, or versions of a technology.

Backward compatibility keeps a component usable when browsers lack newer platform features. A practical strategy is to polyfill Custom Elements while making Shadow DOM optional instead of hiding its limitations behind a polyfill. section 12.1

A compatibility-oriented component can:

Load the drop-in Custom Elements polyfill from a CDN. section 12.1

Optional Shadow DOM

Set a component flag such as USE_SHADOWDOM_WHEN_AVAILABLE. If the flag and attachShadow are available, use the shadow root; otherwise use the component itself as the rendering root.

How Web Components in Action covers it

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Also explained in

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API Design PatternsBackward compatibility is the property of a changed software interface remaining usable by previously written clients or consumers.
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Kafka for ArchitectsBackward compatibility is a schema compatibility policy in which consumers using the new schema can read messages produced with the previous schema.
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Unit Testing Principles, Practices, and PatternsThe ability of a system or communication contract to remain usable by existing external clients after internal changes.
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The Design of Web APIs, Second EditionBackward compatibility is the ability of a changed API to continue supporting existing consumers and their prior usage expectations.
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Apache Kafka in ActionBackward compatibility is schema compatibility in which consumers using the current schema can read data written with older schemas.
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Terraform in Depth: Infrastructure as Code with Terraform and OpenTofuBackward compatibility is the ability of a newer software version to preserve the behavior and interfaces expected by existing users or dependent code.
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Machine Learning System DesignThe ability of new software or an interface version to support existing code or clients without changes.
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Simple Object-Oriented Design: Create clean, maintainable applicationsBackward compatibility is the ability of a changed software component or interface to continue supporting existing clients and usage patterns.
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Kafka Streams in Action, Second EditionBackward compatibility is the ability of a newer software component or data schema to work with data produced using an older schema or interface.
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Infrastructure as Code, Patterns and Practices: With examples in Python and TerraformBackward compatibility is the property that a newer version continues to support interfaces, behaviors, or configurations expected by existing users or dependents.
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The Art of CodeBackward compatibility is the ability of a changed software component or interface to continue working with existing clients and dependent systems.
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Learn Go with Pocket-Sized ProjectsBackward compatibility is the ability of a newer software version to continue working with existing users, integrations, or client code.
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Practices of the Python ProBackward compatibility is the ability of a newer software version to preserve compatibility with earlier interfaces, data, or behavior.
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Troubleshooting Java, Second EditionBackward compatibility is the ability of a newer consumer or implementation to process data produced according to an older schema.
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Designing Deep Learning Systems: A guide for software engineersThe property of a system or data interface that allows newer changes to remain usable by existing consumers and projects.
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gRPC Microservices in GoBackward compatibility is the ability of a changed system to continue supporting existing users, integrations, or clients without requiring them to upgrade.
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Automating API DeliveryAPI compatibility is the ability of an API client application and API server to communicate successfully across a change.

Compare how 18 books explain backward compatibility →

Related concepts

breaking changecontrasts with · A breaking change is a modification to an interface, behavior, format, configuration, or contract that can prevent existing consumers from working correctly without changes.
schema registryused by · A schema registry is a service that stores, versions, and provides schemas for structured data, often validating compatibility between schema versions.
forward compatibilityincludes · Forward compatibility is the ability of older software, interfaces, or schemas to tolerate and interoperate with supported changes introduced by newer versions.
Mapused by · A map is an associative data structure that stores key-value pairs and supports retrieving values by key.
PostgreSQLused by · PostgreSQL is an open-source object-relational database management system that implements SQL and supports transactional data storage and extensibility.

This explainer was generated by Manning's knowledge graph from the text of Web Components in Action. The section links point to the parts of the book it draws on.