puppeteer/assets/js/f663d110.b13f101d.js

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page.",source:"@site/versioned_docs/version-16.1.0/api/puppeteer.page.emulatevisiondeficiency.md",sourceDirName:"api",slug:"/api/puppeteer.page.emulatevisiondeficiency",permalink:"/api/puppeteer.page.emulatevisiondeficiency",draft:!1,tags:[],version:"16.1.0",frontMatter:{sidebar_label:"Page.emulateVisionDeficiency"},sidebar:"sidebar",previous:{title:"Page.emulateTimezone",permalink:"/api/puppeteer.page.emulatetimezone"},next:{title:"Page.evaluate",permalink:"/api/puppeteer.page.evaluate"}},l={},c=[{value:"Parameters",id:"parameters",level:2},{value:"Example",id:"example",level:2}],u={toc:c};function s(e){let{components:t,...n}=e;return(0,r.kt)("wrapper",(0,a.Z)({},u,n,{components:t,mdxType:"MDXLayout"}),(0,r.kt)("h1",{id:"pageemulatevisiondeficiency-method"},"Page.emulateVisionDeficiency() method"),(0,r.kt)("p",null,"Simulates the given vision deficiency on the page."),(0,r.kt)("p",null,(0,r.kt)("strong",{parentName:"p"},"Signature:")),(0,r.kt)("pre",null,(0,r.kt)("code",{parentName:"pre",className:"language-typescript"},"class Page {\n  emulateVisionDeficiency(\n    type?: Protocol.Emulation.SetEmulatedVisionDeficiencyRequest['type']\n  ): Promise<void>;\n}\n")),(0,r.kt)("h2",{id:"parameters"},"Parameters"),(0,r.kt)("table",null,(0,r.kt)("thead",{parentName:"table"},(0,r.kt)("tr",{parentName:"thead"},(0,r.kt)("th",{parentName:"tr",align:null},"Parameter"),(0,r.kt)("th",{parentName:"tr",align:null},"Type"),(0,r.kt)("th",{parentName:"tr",align:null},"Description"))),(0,r.kt)("tbody",{parentName:"table"},(0,r.kt)("tr",{parentName:"tbody"},(0,r.kt)("td",{parentName:"tr",align:null},"type"),(0,r.kt)("td",{parentName:"tr",align:null},"Protocol.Emulation.SetEmulatedVisionDeficiencyRequest","[","'type'","]"),(0,r.kt)("td",{parentName:"tr",align:null},(0,r.kt)("i",null,"(Optional)")," the type of deficiency to simulate, or 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