js获取链接中的参数

获取网页链接中的参数

function getUrlParam(name) {
        var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
        var r = window.location.search.substr(1).match(reg);
        if (r != null) return unescape(r[2]); return null;
    }
    getUrlParam('id')

方法2

<script>
    var bb = "https://www.baidu.com/?id=02003390_2_hao_pg&is=123456&si=99999"
    console.log("结果",cha('si',bb))
    function cha(canshu,src) {
        var arrPara = src.split("&");
        var arr = [];
        for (var i in arrPara) {
            arr = arrPara[i].split("=");
            if(arr[0].indexOf(canshu) != -1){
                return arr[1]
            }
        }
    }
</script>