puppeteer/assets/js/7468128f.65f64e0e.js

"use strict";(self.webpackChunkwebsite=self.webpackChunkwebsite||[]).push([[7064],{3905:(e,t,r)=>{r.d(t,{Zo:()=>s,kt:()=>m});var n=r(67294);function a(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}function o(e,t){var r=Object.keys(e);if(Object.getOwnPropertySymbols){var n=Object.getOwnPropertySymbols(e);t&&(n=n.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),r.push.apply(r,n)}return r}function p(e){for(var t=1;t<arguments.length;t++){var r=null!=arguments[t]?arguments[t]:{};t%2?o(Object(r),!0).forEach((function(t){a(e,t,r[t])})):Object.getOwnPropertyDescriptors?Object.defineProperties(e,Object.getOwnPropertyDescriptors(r)):o(Object(r)).forEach((function(t){Object.defineProperty(e,t,Object.getOwnPropertyDescriptor(r,t))}))}return e}function i(e,t){if(null==e)return{};var r,n,a=function(e,t){if(null==e)return{};var r,n,a={},o=Object.keys(e);for(n=0;n<o.length;n++)r=o[n],t.indexOf(r)>=0||(a[r]=e[r]);return a}(e,t);if(Object.getOwnPropertySymbols){var o=Object.getOwnPropertySymbols(e);for(n=0;n<o.length;n++)r=o[n],t.indexOf(r)>=0||Object.prototype.propertyIsEnumerable.call(e,r)&&(a[r]=e[r])}return a}var l=n.createContext({}),d=function(e){var t=n.useContext(l),r=t;return e&&(r="function"==typeof e?e(t):p(p({},t),e)),r},s=function(e){var t=d(e.components);return n.createElement(l.Provider,{value:t},e.children)},u={inlineCode:"code",wrapper:function(e){var t=e.children;return n.createElement(n.Fragment,{},t)}},c=n.forwardRef((function(e,t){var r=e.components,a=e.mdxType,o=e.originalType,l=e.parentName,s=i(e,["components","mdxType","originalType","parentName"]),c=d(r),m=a,y=c["".concat(l,".").concat(m)]||c[m]||u[m]||o;return r?n.createElement(y,p(p({ref:t},s),{},{components:r})):n.createElement(y,p({ref:t},s))}));function m(e,t){var r=arguments,a=t&&t.mdxType;if("string"==typeof e||a){var o=r.length,p=new Array(o);p[0]=c;var i={};for(var l in t)hasOwnProperty.call(t,l)&&(i[l]=t[l]);i.originalType=e,i.mdxType="string"==typeof e?e:a,p[1]=i;for(var d=2;d<o;d++)p[d]=r[d];return n.createElement.apply(null,p)}return n.createElement.apply(null,r)}c.displayName="MDXCreateElement"},48252:(e,t,r)=>{r.r(t),r.d(t,{assets:()=>d,contentTitle:()=>i,default:()=>c,frontMatter:()=>p,metadata:()=>l,toc:()=>s});r(67294);var n=r(3905);function a(){return a=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var n in r)Object.prototype.hasOwnProperty.call(r,n)&&(e[n]=r[n])}return e},a.apply(this,arguments)}function o(e,t){if(null==e)return{};var r,n,a=function(e,t){if(null==e)return{};var r,n,a={},o=Object.keys(e);for(n=0;n<o.length;n++)r=o[n],t.indexOf(r)>=0||(a[r]=e[r]);return a}(e,t);if(Object.getOwnPropertySymbols){var o=Object.getOwnPropertySymbols(e);for(n=0;n<o.length;n++)r=o[n],t.indexOf(r)>=0||Object.prototype.propertyIsEnumerable.call(e,r)&&(a[r]=e[r])}return a}const p={sidebar_label:"Keyboard.down"},i="Keyboard.down() method",l={unversionedId:"api/puppeteer.keyboard.down",id:"version-21.3.0/api/puppeteer.keyboard.down",title:"Keyboard.down() method",description:"Dispatches a keydown event.",source:"@site/versioned_docs/version-21.3.0/api/puppeteer.keyboard.down.md",sourceDirName:"api",slug:"/api/puppeteer.keyboard.down",permalink:"/api/puppeteer.keyboard.down",draft:!1,tags:[],version:"21.3.0",frontMatter:{sidebar_label:"Keyboard.down"},sidebar:"api",previous:{title:"Keyboard",permalink:"/api/puppeteer.keyboard"},next:{title:"Keyboard.press",permalink:"/api/puppeteer.keyboard.press"}},d={},s=[{value:"Signature:",id:"signature",level:4},{value:"Parameters",id:"parameters",level:2},{value:"Remarks",id:"remarks",level:2}],u={toc:s};function c(e){var{components:t}=e,r=o(e,["components"]);return(0,n.kt)("wrapper",a({},u,r,{components:t,mdxType:"MDXLayout"}),(0,n.kt)("h1",a({},{id:"keyboarddown-method"}),"Keyboard.down() method"),(0,n.kt)("p",null,"Dispatches a ",(0,n.kt)("inlineCode",{parentName:"p"},"keydown")," event."),(0,n.kt)("h4",a({},{id:"signature"}),"Signature:"),(0,n.kt)("pre",null,(0,n.kt)("code",a({parentName:"pre"},{className:"language-typescript"}),"class Keyboard {\n  down(key: KeyInput, options?: Readonly<KeyDownOptions>): Promise<void>;\n}\n")),(0,n.kt)("h2",a({},{id:"parameters"}),"Parameters"),(0,n.kt)("table",null,(0,n.kt)("thead",{parentName:"table"},(0,n.kt)("tr",{parentName:"thead"},(0,n.kt)("th",a({parentName:"tr"},{align:null}),"Parameter"),(0,n.kt)("th",a({parentName:"tr"},{align:null}),"Type"),(0,n.kt)("th",a({parentName:"tr"},{align:null}),"Description"))),(0,n.kt)("tbody",{parentName:"table"},(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",a({parentName:"tr"},{align:null}),"key"),(0,n.kt)("td",a({parentName:"tr"},{align:null}),(0,n.kt)("a",a({parentName:"td"},{href:"/api/puppeteer.keyinput"}),"KeyInput")),(0,n.kt)("td",a({parentName:"tr"},{align:null}),"Name of key to press, such as ",(0,n.kt)("code",null,"ArrowLeft"),". See ",(0,n.kt)("a",a({parentName:"td"},{href:"/api/puppeteer.keyinput"}),"KeyInput")," for a list of all key names.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",a({parentName:"tr"},{align:null}),"options"),(0,n.kt)("td",a({parentName:"tr"},{align:null}),"Readonly","<",(0,n.kt)("a",a({parentName:"td"},{href:"/api/puppeteer.keydownoptions"}),"KeyDownOptions"),">"),(0,n.kt)("td",a({parentName:"tr"},{align:null}),(0,n.kt)("em",{parentName:"td"},"(Optional)")," An object of options. Accepts text which, if specified, generates an input event with this text. Accepts commands which, if specified, is the commands of keyboard shortcuts, see ",(0,n.kt)("a",a({parentName:"td"},{href:"https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/core/editing/commands/editor_command_names.h"}),"Chromium Source Code")," for valid command names.")))),(0,n.kt)("p",null,(0,n.kt)("strong",{parentName:"p"},"Returns:")),(0,n.kt)("p",null,"Promise","<","void",">"),(0,n.kt)("h2",a({},{id:"remarks"}),"Remarks"),(0,n.kt)("p",null,"If ",(0,n.kt)("inlineCode",{parentName:"p"},"key")," is a single character and no modifier keys besides ",(0,n.kt)("inlineCode",{parentName:"p"},"Shift")," are being held down, a ",(0,n.kt)("inlineCode",{parentName:"p"},"keypress"),"/",(0,n.kt)("inlineCode",{parentName:"p"},"input")," event will also generated. The ",(0,n.kt)("inlineCode",{parentName:"p"},"text")," option can be specified to force an input event to be generated. If ",(0,n.kt)("inlineCode",{parentName:"p"},"key")," is a modifier key, ",(0,n.kt)("inlineCode",{parentName:"p"},"Shift"),", ",(0,n.kt)("inlineCode",{parentName:"p"},"Meta"),", ",(0,n.kt)("inlineCode",{parentName:"p"},"Control"),", or ",(0,n.kt)("inlineCode",{parentName:"p"},"Alt"),", subsequent key presses will be sent with that modifier active. To release the modifier key, use ",(0,n.kt)("a",a({parentName:"p"},{href:"/api/puppeteer.keyboard.up"}),"Keyboard.up()"),"."),(0,n.kt)("p",null,"After the key is pressed once, subsequent calls to ",(0,n.kt)("a",a({parentName:"p"},{href:"/api/puppeteer.keyboard.down"}),"Keyboard.down()")," will have ",(0,n.kt)("a",a({parentName:"p"},{href:"https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/repeat"}),"repeat")," set to true. To release the key, use ",(0,n.kt)("a",a({parentName:"p"},{href:"/api/puppeteer.keyboard.up"}),"Keyboard.up()"),"."),(0,n.kt)("p",null,"Modifier keys DO influence ",(0,n.kt)("a",a({parentName:"p"},{href:"/api/puppeteer.keyboard.down"}),"Keyboard.down()"),". Holding down ",(0,n.kt)("inlineCode",{parentName:"p"},"Shift")," will type the text in upper case."))}c.isMDXComponent=!0}}]);