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1. ʹÓà window.location.search

window.location.search ÊôÐÔ·µ»Ø URL ÅÌÎÊ×Ö·û´®µÄ²¿·Ö£¬ÆäÖаüÀ¨ URL ²ÎÊý¡£ÅÌÎÊ×Ö·û´®ÒÔÎʺŠ(?) ¿ªÍ·£¬ºóÃæËæ×ŲÎÊýÃûºÍÖµ¶Ô¡£

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const searchParams = window.location.search;

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// »ñÈ¡ÅÌÎÊ×Ö·û´®
const searchParams = window.location.search;

// ÌáÈ¡²ÎÊý
const params = new URLSearchParams(searchParams);

// »ñÈ¡Ìض¨²ÎÊýµÄÖµ
const value = params.get("param_name");

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2. ʹÓà URL ¹¤¾ß

URL ¹¤ÏêϸÏÖÒ»¸ö URL£¬ËüÌṩÁË searchParams ÊôÐÔ£¬ËüÊÇÒ»¸ö°üÀ¨ URL ²ÎÊýµÄ¹¤¾ß¡£

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const url = new URL("https://example.com?param1=value1&param2=value2");

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// »ñÈ¡ URL ¹¤¾ß
const url = new URL("https://example.com?param1=value1&param2=value2");

// »ñÈ¡²ÎÊý¹¤¾ß
const params = url.searchParams;

// »ñÈ¡Ìض¨²ÎÊýµÄÖµ
const value = params.get("param_name");

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