14 lines
1.3 KiB
Plaintext
14 lines
1.3 KiB
Plaintext
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preload
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This enumerated attribute is intended to provide a hint to the browser about what the author thinks will lead to the best user experience. It may have one of the following values:
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none: hints that either the author thinks that the user won't need to consult that audio or that the server wants to minimize its traffic; in others terms this hint indicates that the audio should not be cached;
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metadata: hints that though the author thinks that the user won't need to consult that audio, fetching the metadata (e.g. length) is reasonable;
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auto: hints that the user needs have priority; in others terms this hint indicated that, if needed, the whole audio could be downloaded, even if the user is not expected to use it;
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the empty string: which is a synonym of the auto value.
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If not set, its default value is browser-defined (i.e. each browser can choose its own default value), though the spec advises it to be set to metadata.
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Usage notes:
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The autoplay attribute has precedence over this one as if one wants to automatically play a audio, the browser will obviously need to download it. Setting both the autoplay and the preload attributes is allowed by the specification.
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The browser is not forced by the specification to follow the value of this attribute; it is a mere hint.
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