javascript 如何使用Javascript正则表达式获取URL参数

Posted 2021-05-04

//http://test.com/?room=123

var arr = document.URL.match(/room=([0-9]+)/)
var room = arr[1];

//http://test.com/?token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJodHRwOi8vdmVnYS1hdXRoLWFwaS5kZXYvYXBpL3YxL2F1dGgvbG9naW4iLCJpYXQiOjE1MTMwNTg1MjMsImV4cCI6MTUxMzA2MjEyMywibmJmIjoxNTEzMDU4NTIzLCJqdGkiOiJaSmZGbEYyMXRUaEMyamlEIiwic3ViIjoxLCJwcnYiOiI4N2UwYWYxZWY5ZmQxNTgxMmZkZWM5NzE1M2ExNGUwYjA0NzU0NmFhIn0.fKp1F8aHFu4opqQP2luStx1Ekdlvqp6uQzQQG9_VYdQ

var arr = document.URL.match(/token=([^,]*)/);
var token = arr[1];

console.log('token',token);