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dark:hover:_bg-primary-100/5 dark:hover:_text-gray-50 contrast-more:_text-gray-900 contrast-more:dark:_text-gray-50 contrast-more:_border-transparent contrast-more:hover:_border-gray-900 contrast-more:dark:hover:_border-gray-50" href="/docs/running-an-express-graphql-server/">Running Express + GraphQL</a></li><li class="_flex _flex-col _gap-1"><a class="nextra-focus _flex _rounded _px-2 _py-1.5 _text-sm _transition-colors [word-break:break-word] _cursor-pointer contrast-more:_border _text-gray-500 hover:_bg-gray-100 hover:_text-gray-900 dark:_text-neutral-400 dark:hover:_bg-primary-100/5 dark:hover:_text-gray-50 contrast-more:_text-gray-900 contrast-more:dark:_text-gray-50 contrast-more:_border-transparent contrast-more:hover:_border-gray-900 contrast-more:dark:hover:_border-gray-50" href="/docs/graphql-clients/">GraphQL Clients</a></li><li class="_flex _flex-col _gap-1"><a class="nextra-focus _flex _rounded _px-2 _py-1.5 _text-sm _transition-colors [word-break:break-word] 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hover:_bg-gray-100 hover:_text-gray-900 dark:_text-neutral-400 dark:hover:_bg-primary-100/5 dark:hover:_text-gray-50 contrast-more:_text-gray-900 contrast-more:dark:_text-gray-50 contrast-more:_border-transparent contrast-more:hover:_border-gray-900 contrast-more:dark:hover:_border-gray-50" href="/docs/constructing-types/">Constructing Types</a></li><li class="_flex _flex-col _gap-1"><a class="nextra-focus _flex _rounded _px-2 _py-1.5 _text-sm _transition-colors [word-break:break-word] _cursor-pointer contrast-more:_border _text-gray-500 hover:_bg-gray-100 hover:_text-gray-900 dark:_text-neutral-400 dark:hover:_bg-primary-100/5 dark:hover:_text-gray-50 contrast-more:_text-gray-900 contrast-more:dark:_text-gray-50 contrast-more:_border-transparent contrast-more:hover:_border-gray-900 contrast-more:dark:hover:_border-gray-50" href="/docs/oneof-input-objects/">OneOf input objects</a></li><li class="_flex _flex-col _gap-1"><a class="nextra-focus _flex _rounded _px-2 _py-1.5 _text-sm 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There also a lot of useful utilities for schema-diffing, working with arguments and many more.</p> <p class="[&:not(:first-child)]:_mt-6 _leading-7">In the following chapters you’ll find out more about the three critical pieces of this library</p> <ul class="[:is(ol,ul)_&]:_my-3 [&:not(:first-child)]:_mt-6 _list-disc ltr:_ml-6 rtl:_mr-6"> <li class="_my-2">The GraphQL language</li> <li class="_my-2">Document validation</li> <li class="_my-2">GraphQL Execution</li> </ul> <p class="[&:not(:first-child)]:_mt-6 _leading-7">You can also code along on <a class="nextra-focus _text-primary-600 _underline hover:_no-underline _decoration-from-font [text-underline-position:from-font]" href="/docs/getting-started/">a tutorial</a>.</p><div class="_mt-16"></div><div class="_mb-8 _flex _items-center _border-t _pt-8 dark:_border-neutral-800 contrast-more:_border-neutral-400 dark:contrast-more:_border-neutral-400 print:_hidden"><a title="Getting Started" class="nextra-focus _text-gray-600 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