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The snippet library.
Small, practical examples. Search by task or narrow things down below.
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Attach an application-specific request header
jQuery: The headers option adds a header to this request only.
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Cancel a pending request
jQuery: abort rejects the jqXHR with the abort status.
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Fetch a plain-text resource
jQuery: An explicit text data type keeps the response as a string.
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Fetch and display JSON
jQuery: getJSON parses a successful JSON response.
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Handle a request timeout
jQuery: The timeout option bounds how long the client waits.
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Handle an unsuccessful HTTP status
jQuery: fail receives the jqXHR object and exposes its status.
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Post a JSON request body
jQuery: JSON.stringify and application/json send a JSON document.
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Post URL-encoded form data
jQuery: post sends a data object as form-encoded fields by default.
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Run cleanup after an AJAX failure
jQuery: always runs on success or failure and can clear loading state.
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Send query parameters as an object
jQuery: jQuery encodes the data object into the request query.
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