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isUrl() function ​

This API is provided as a preview for developers and may change based on feedback that we receive. Do not use this API in a production environment.

检查是否为有效的URL

Signature:

declare function isUrl(url: string): boolean;

declare function isUrl(url: string): boolean;

Parameters ​

Returns:

boolean

{boolean} - 一个布尔值。

Example ​

 let url = 'https://example.com'; isUrl(url) // true
 let url = 'invalid-url'; isUrl(url) // false

 let url = 'https://example.com'; isUrl(url) // true
 let url = 'invalid-url'; isUrl(url) // false