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求助如何用JS通过正则表达删除一段url 只保留=后面的参数

如果有https://a.zzpowercn.com/saomi... 这样一段网址 ,请问如何通过正则表达,或是其他办法,只保留 = 后面的11115 前面都删除


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let url = new URL('https://a.zzpowercn.com/saomiao.php?bianhao=11115');
url.searchParams.get('bianhao')

兼容性: https://caniuse.com/#search=URL
需要兼容不支持的浏览器请自行引入 polyfill: https://www.npmjs.com/package...


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