尊龙凯时人生就是搏

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javascript »ñÈ¡ url ÅÌÎʲÎÊýÓÐÁ½ÖÖÒªÁ죺ʹÓà window.location.search ÊôÐÔ´ÓÅÌÎÊ×Ö·û´®ÖÐÌáÈ¡²ÎÊý ¡£ÊµÀý»¯ urlsearchparams ¹¤¾ß£¬ËüÌṩÁ˸üÀû±ãµÄ get() ºÍ getall() ÒªÁìÀ´»ñÈ¡²ÎÊýÖµ£¬ÒÔ¼°²Ù×÷ÅÌÎʲÎÊýµÄ¹¦Ð§ ¡£

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JavaScript ÌṩÁËÁ½ÖÖ³£ÓõÄÒªÁìÀ´»ñÈ¡ URL ÅÌÎʲÎÊý£º

1. window.location.search

window.location.search ÊôÐÔ°üÀ¨Ä¿½ñ URL µÄÅÌÎÊ×Ö·û´®²¿·Ö ¡£ÀýÈ磺

const url = "https://example.com?name=John&age=30";
const searchParams = window.location.search;
console.log(searchParams); // outputs: "?name=John&age=30"

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Òª»ñÈ¡µ¥¸ö²ÎÊý£¬¿ÉÒÔʹÓà substring() º¯Êý´ÓÅÌÎÊ×Ö·û´®ÖÐÌáÈ¡Ìض¨µÄ²¿·Ö ¡£ÀýÈ磺

const nameParam = searchParams.substring(searchParams.indexOf("name=") + 5, searchParams.indexOf("&"));
console.log(nameParam); // outputs: "John"

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2. URLSearchParams ¹¤¾ß

URLSearchParams ¹¤¾ßÌṩÁ˸üÀû±ãµÄ·½·¨À´´¦ÀíÅÌÎʲÎÊý ¡£Ëü¿ÉÒÔ´Ó window.location.search ÖÐʵÀý»¯£¬²¢ÌṩÁË get() ºÍ getAll() ÒªÁìÀ´»ñÈ¡²ÎÊýÖµ ¡£ÀýÈ磺

const url = "https://example.com?name=John&age=30";
const params = new URLSearchParams(window.location.search);
const name = params.get("name");
const age = params.get("age");
console.log(name, age); // outputs: "John" "30"

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URLSearchParams ¹¤¾ß»¹ÔÊÐíÄúÌí¼Ó¡¢É¾³ýºÍÉèÖòÎÊýÖµ ¡£ÀýÈ磬Ҫ½«Ð²ÎÊýÌí¼Óµ½ URL ÖУº

params.set("newParam", "value");
console.log(window.location.search); // outputs: "?name=John&age=30&newParam=value"

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