SOURCE

function emailOpenUrl(){   
    const netconfig='{"netconf":{"mod":"netconf","submod":"callhome_cfg","action":"add","data":{"callhome":"sdn_callhome","main_url":"10.200.20.217","main_port":"6666","enable":"1","username":"raisecom","password":"raisecom","backup_enable":"1","main_if":"111","backup_url":"11","backup_port":"11","backup_if":"111","interval":"3","retry_num":"2"}}}'
    //console.log(netconfig);
    var jsonList=eval("("+netconfig+")"); 
    //console.log(jsonList.netconf)
    var netconf=JSON.stringify(jsonList.netconf)

    var potal ="{" + "openconfig"+ ":" + "[" +
                "{" + "mod"+ ":" + "netconf"+ "," + "submod"+ ":" + "callhome_cfg"+ "," + "action"+ ":" + "mod"+ "," + "data"+ ":"  + "{" + "callhome"+ ":" + "sdn_callhome"+ "," + "enable"+ ":" + "0"+ "}" + "}" + "," + 
                "{" + "mod"+ ":" + "netconf"+ "," + "submod"+ ":" + "callhome_cfg"+ "," + "action"+ ":" + "delete"+ "," + "data"+ ":"  + "{" + "callhome"+ ":" + "sdn_callhome"+ "}" + "}" + "," + 
                netconf + "," +
                "{" + "mod" + ":" + "netconf"+ "," + "submod"+ ":" + "netconf_cfg"+ "," + "action"+ ":" + "mod"+ "," + "data"+ ":"  + "{" + "sdnc_notify_enable"+ ":" + "1" + "}" + "}" + "]" + "}"

    //console.log(potal);
    var emailStartUrl = "http://192.168.1.1/openconf.php?portal=" + potal;
    //console.log(emailStartUrl);
    return emailStartUr;
};
var url = emailOpenUrl();
console.log(url);