puppeteer/assets/js/50b20949.49b05dc6.js

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A lot of websites don't expect phones to change size, so you should set the viewport before navigating to the page.",source:"@site/versioned_docs/version-15.3.0/api/puppeteer.page.setviewport.md",sourceDirName:"api",slug:"/api/puppeteer.page.setviewport",permalink:"/api/puppeteer.page.setviewport",draft:!1,tags:[],version:"15.3.0",frontMatter:{sidebar_label:"Page.setViewport"},sidebar:"sidebar",previous:{title:"Page.setUserAgent",permalink:"/api/puppeteer.page.setuseragent"},next:{title:"Page.tap",permalink:"/api/puppeteer.page.tap"}},l={},s=[{value:"Parameters",id:"parameters",level:2},{value:"Remarks",id:"remarks",level:2},{value:"Example",id:"example",level:2}],u={toc:s};function c(e){let{components:t,...r}=e;return(0,n.kt)("wrapper",(0,a.Z)({},u,r,{components:t,mdxType:"MDXLayout"}),(0,n.kt)("h1",{id:"pagesetviewport-method"},"Page.setViewport() method"),(0,n.kt)("p",null,(0,n.kt)("inlineCode",{parentName:"p"},"page.setViewport")," will resize the page. A lot of websites don't expect phones to change size, so you should set the viewport before navigating to the page."),(0,n.kt)("p",null,"In the case of multiple pages in a single browser, each page can have its own viewport size."),(0,n.kt)("p",null,(0,n.kt)("strong",{parentName:"p"},"Signature:")),(0,n.kt)("pre",null,(0,n.kt)("code",{parentName:"pre",className:"language-typescript"},"class Page {\n  setViewport(viewport: Viewport): Promise<void>;\n}\n")),(0,n.kt)("h2",{id:"parameters"},"Parameters"),(0,n.kt)("table",null,(0,n.kt)("thead",{parentName:"table"},(0,n.kt)("tr",{parentName:"thead"},(0,n.kt)("th",{parentName:"tr",align:null},"Parameter"),(0,n.kt)("th",{parentName:"tr",align:null},"Type"),(0,n.kt)("th",{parentName:"tr",align:null},"Description"))),(0,n.kt)("tbody",{parentName:"table"},(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},"viewport"),(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/api/puppeteer.viewport"},"Viewport")),(0,n.kt)("td",{parentName:"tr",align:null})))),(0,n.kt)("p",null,(0,n.kt)("strong",{parentName:"p"},"Returns:")),(0,n.kt)("p",null,"Promise","<","void",">"),(0,n.kt)("h2",{id:"remarks"},"Remarks"),(0,n.kt)("p",null,"Argument viewport have following properties:"),(0,n.kt)("ul",null,(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"width"),": page width in pixels. required")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"height"),": page height in pixels. required")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"deviceScaleFactor"),": Specify device scale factor (can be thought of as DPR). Defaults to ",(0,n.kt)("inlineCode",{parentName:"p"},"1"),".")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"isMobile"),": Whether the meta viewport tag is taken into account. Defaults to ",(0,n.kt)("inlineCode",{parentName:"p"},"false"),".")),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"hasTouch"),": Specifies if viewport supports touch events. Defaults to ",(0,n.kt)("inlineCode",{parentName:"p"},"false"))),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("inlineCode",{parentName:"p"},"isLandScape"),": Specifies if viewport is in landscape mode. Defaults to false."))),(0,n.kt)("p",null,"NOTE: in certain cases, setting viewport will reload the page in order to set the isMobile or hasTouch properties."),(0,n.kt)("h2",{id:"example"},"Example"),(0,n.kt)("pre",null,(0,n.kt)("code",{parentName:"pre",className:"language-ts"},"const page = await browser.newPage();\nawait page.setViewport({\n  width: 640,\n  height: 480,\n  deviceScaleFactor: 1,\n});\nawait page.goto('https://example.com');\n")))}c.isMDXComponent=!0}}]);