puppeteer/assets/js/3fd7eb42.e85cc19c.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-21.3.2/api/puppeteer.page.setviewport.md",sourceDirName:"api",slug:"/api/puppeteer.page.setviewport",permalink:"/api/puppeteer.page.setviewport",draft:!1,tags:[],version:"21.3.2",frontMatter:{sidebar_label:"Page.setViewport"},sidebar:"api",previous:{title:"Page.setUserAgent",permalink:"/api/puppeteer.page.setuseragent"},next:{title:"Page.tap",permalink:"/api/puppeteer.page.tap"}},s={},u=[{value:"Signature:",id:"signature",level:4},{value:"Parameters",id:"parameters",level:2},{value:"Remarks",id:"remarks",level:2},{value:"Example",id:"example",level:2}],c={toc:u};function m(e){var{components:t}=e,r=p(e,["components"]);return(0,a.kt)("wrapper",n({},c,r,{components:t,mdxType:"MDXLayout"}),(0,a.kt)("h1",n({},{id:"pagesetviewport-method"}),"Page.setViewport() method"),(0,a.kt)("p",null,(0,a.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,a.kt)("p",null,"In the case of multiple pages in a single browser, each page can have its own viewport size."),(0,a.kt)("h4",n({},{id:"signature"}),"Signature:"),(0,a.kt)("pre",null,(0,a.kt)("code",n({parentName:"pre"},{className:"language-typescript"}),"class Page {\n  abstract setViewport(viewport: Viewport): Promise<void>;\n}\n")),(0,a.kt)("h2",n({},{id:"parameters"}),"Parameters"),(0,a.kt)("table",null,(0,a.kt)("thead",{parentName:"table"},(0,a.kt)("tr",{parentName:"thead"},(0,a.kt)("th",n({parentName:"tr"},{align:null}),"Parameter"),(0,a.kt)("th",n({parentName:"tr"},{align:null}),"Type"),(0,a.kt)("th",n({parentName:"tr"},{align:null}),"Description"))),(0,a.kt)("tbody",{parentName:"table"},(0,a.kt)("tr",{parentName:"tbody"},(0,a.kt)("td",n({parentName:"tr"},{align:null}),"viewport"),(0,a.kt)("td",n({parentName:"tr"},{align:null}),(0,a.kt)("a",n({parentName:"td"},{href:"/api/puppeteer.viewport"}),"Viewport")),(0,a.kt)("td",n({parentName:"tr"},{align:null}))))),(0,a.kt)("p",null,(0,a.kt)("strong",{parentName:"p"},"Returns:")),(0,a.kt)("p",null,"Promise","<","void",">"),(0,a.kt)("h2",n({},{id:"remarks"}),"Remarks"),(0,a.kt)("p",null,"Argument viewport have following properties:"),(0,a.kt)("ul",null,(0,a.kt)("li",{parentName:"ul"},(0,a.kt)("p",{parentName:"li"},(0,a.kt)("inlineCode",{parentName:"p"},"width"),": page width in pixels. required")),(0,a.kt)("li",{parentName:"ul"},(0,a.kt)("p",{parentName:"li"},(0,a.kt)("inlineCode",{parentName:"p"},"height"),": page height in pixels. required")),(0,a.kt)("li",{parentName:"ul"},(0,a.kt)("p",{parentName:"li"},(0,a.kt)("inlineCode",{parentName:"p"},"deviceScaleFactor"),": Specify device scale factor (can be thought of as DPR). Defaults to ",(0,a.kt)("inlineCode",{parentName:"p"},"1"),".")),(0,a.kt)("li",{parentName:"ul"},(0,a.kt)("p",{parentName:"li"},(0,a.kt)("inlineCode",{parentName:"p"},"isMobile"),": Whether the meta viewport tag is taken into account. Defaults to ",(0,a.kt)("inlineCode",{parentName:"p"},"false"),".")),(0,a.kt)("li",{parentName:"ul"},(0,a.kt)("p",{parentName:"li"},(0,a.kt)("inlineCode",{parentName:"p"},"hasTouch"),": Specifies if viewport supports touch events. Defaults to ",(0,a.kt)("inlineCode",{parentName:"p"},"false"))),(0,a.kt)("li",{parentName:"ul"},(0,a.kt)("p",{parentName:"li"},(0,a.kt)("inlineCode",{parentName:"p"},"isLandScape"),": Specifies if viewport is in landscape mode. Defaults to false."))),(0,a.kt)("p",null,"NOTE: in certain cases, setting viewport will reload the page in order to set the isMobile or hasTouch properties."),(0,a.kt)("h2",n({},{id:"example"}),"Example"),(0,a.kt)("pre",null,(0,a.kt)("code",n({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")))}m.isMDXComponent=!0}}]);