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Intros How it works API reference File types sjs-4 sjs-4e sjs-4et app-1 buckets-1 contextmenu-1 css-1 css-2 css-2-wrapper html-1 image-1 markdown-1 page-1 redirect-301 sh-1 static-1 svg-1 deprecated types accept-1 accept-2 accept-3 sjs-3 Injected variables Collection File Attributes attrInt32 attrStr chainAttrInt32 chainAttrStr hasAttrInt32 hasAttrStr listAttrInt32 listAttrStr removeAttrInt32 removeAttrStr Execution Misc Mutation Properties Traversal os User util File links App interface Hotkeys & mouse controls Nocode editor API Filesystem Query Language Reserved namespaces Filesystem interface versions URL endpoints URL query parameters Turbo CSS Blog
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WARNING: The [sjs-3] engine was deprecated, use [sjs-4] instead.

File.prototype.hasAttrStr()

Reports whether file has given string attribute defined.

Syntax

file.hasAttrStr(key string) boolean

Parameters

key string

Name of the attribute.

Examples

Basic example.

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