| Change Type | Old Version | New Version | d.ts File |
| ---- | ------ | ------ | -------- |
|Added|NA|Module name: ohos.web.webview<br>Class name: WebCustomScheme|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebCustomScheme<br>Method or attribute name: |@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebCustomScheme<br>Method or attribute name: schemeName: string;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebCustomScheme<br>Method or attribute name: schemeName: string;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebCustomScheme<br>Method or attribute name: isSupportCORS: boolean;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebCustomScheme<br>Method or attribute name: isSupportCORS: boolean;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebCustomScheme<br>Method or attribute name: isSupportFetch: boolean;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebCustomScheme<br>Method or attribute name: isSupportFetch: boolean;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: webview<br>Method or attribute name: function once(type: string, callback: Callback<void>): void;|@ohos.web.webview.d.ts|
|Added|NA|Class name: webview<br>Method or attribute name: function once(type: string, callback: Callback<void>): void;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: HistoryItem|@ohos.web.webview.d.ts|
|Added|NA|Class name: HistoryItem<br>Method or attribute name: |@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: HistoryItem<br>Method or attribute name: icon: image.PixelMap;|@ohos.web.webview.d.ts|
|Added|NA|Class name: HistoryItem<br>Method or attribute name: icon: image.PixelMap;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: HistoryItem<br>Method or attribute name: historyUrl: string;|@ohos.web.webview.d.ts|
|Added|NA|Class name: HistoryItem<br>Method or attribute name: historyUrl: string;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: HistoryItem<br>Method or attribute name: historyRawUrl: string;|@ohos.web.webview.d.ts|
|Added|NA|Class name: HistoryItem<br>Method or attribute name: historyRawUrl: string;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: HistoryItem<br>Method or attribute name: title: string;|@ohos.web.webview.d.ts|
|Added|NA|Class name: HistoryItem<br>Method or attribute name: title: string;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: BackForwardList|@ohos.web.webview.d.ts|
|Added|NA|Class name: BackForwardList<br>Method or attribute name: |@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: BackForwardList<br>Method or attribute name: currentIndex: number;|@ohos.web.webview.d.ts|
|Added|NA|Class name: BackForwardList<br>Method or attribute name: currentIndex: number;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: BackForwardList<br>Method or attribute name: size: number;|@ohos.web.webview.d.ts|
|Added|NA|Class name: BackForwardList<br>Method or attribute name: size: number;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: BackForwardList<br>Method or attribute name: getItemAtIndex(index: number): HistoryItem;|@ohos.web.webview.d.ts|
|Added|NA|Class name: BackForwardList<br>Method or attribute name: getItemAtIndex(index: number): HistoryItem;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: static initializeWebEngine(): void;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: static initializeWebEngine(): void;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: pageUp(top:boolean): void;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: pageUp(top:boolean): void;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: pageDown(bottom:boolean): void;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: pageDown(bottom:boolean): void;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: getOriginalUrl(): string;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: getOriginalUrl(): string;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: getFavicon(): image.PixelMap;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: getFavicon(): image.PixelMap;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: setNetworkAvailable(enable: boolean): void;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: setNetworkAvailable(enable: boolean): void;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: hasImage(): Promise<boolean>;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: hasImage(): Promise<boolean>;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: hasImage(callback: AsyncCallback<boolean>): void;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: hasImage(callback: AsyncCallback<boolean>): void;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: getBackForwardEntries(): BackForwardList;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: getBackForwardEntries(): BackForwardList;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: removeCache(clearRom: boolean): void;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: removeCache(clearRom: boolean): void;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: scrollTo(x:number, y:number): void;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: scrollTo(x:number, y:number): void;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: scrollBy(deltaX:number, deltaY:number): void;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: scrollBy(deltaX:number, deltaY:number): void;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: slideScroll(vx:number, vy:number): void;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: slideScroll(vx:number, vy:number): void;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: serializeWebState() : Uint8Array;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: serializeWebState() : Uint8Array;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: restoreWebState(state: Uint8Array) : void;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: restoreWebState(state: Uint8Array) : void;|@ohos.web.webview.d.ts|
|Added|NA|Module name: ohos.web.webview<br>Class name: WebviewController<br>Method or attribute name: static customizeSchemes(schemes: Array<WebCustomScheme>): void;|@ohos.web.webview.d.ts|
|Added|NA|Class name: WebviewController<br>Method or attribute name: static customizeSchemes(schemes: Array<WebCustomScheme>): void;|@ohos.web.webview.d.ts|
|Function changed|Class name: WebMessagePort<br>Method or attribute name: postMessageEvent(message: string): void;<br>|Class name: WebMessagePort<br>Method or attribute name: postMessageEvent(message: WebMessage): void;<br>|@ohos.web.webview.d.ts|
|Function changed|Class name: WebMessagePort<br>Method or attribute name: onMessageEvent(callback: (result: string) => void): void;<br>|Class name: WebMessagePort<br>Method or attribute name: onMessageEvent(callback: (result: WebMessage) => void): void;<br>|@ohos.web.webview.d.ts|