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Array and preload filters

Last updated Oct 11, 2026 View as Markdown

• You can use font and fetch in the as option of preload_tag.
• You can pass more options to preload_tag. Each option is added to the tag as an attribute.
• With compact, only nil items are deleted. Empty strings, 0 and false are kept.
• You can pass nil to compact and uniq. You get an empty array.
• You can give a property name to compact and uniq.