jquery .serializeArray(); add another value on top for passing to ajax

问题

im doing following

var data = $(form).serializeArray();
// now i want to  add another value on this data
data.username = 'this is username';

i want to know how can i add another value after doing serializeArray(), i tried all the things i know, but nothing is getting it to work. any ideas pls.

回答1:

try

data[data.length] = { name: "username", value: "The Username" };

回答2:

var data = $(form).serializeArray();
data.push({name: 'username', value: 'this is username'});

see also: jQuery post() with serialize and extra data

回答3:

var FormAttr = $('#form_id').serializeArray();

FormAttr.push({name: "Name_Of_Attribute", value:"Value_Of_Attributes"});

回答4:

Late to the party, but I personally prefer

const data = $(form).serializeArray().concat({
    name: "username", value: "The Username"
});

回答5:

I think it's just

data['username'] = 'this is a username';

来源：https://stackoverflow.com/questions/1726583/jquery-serializearray-add-another-value-on-top-for-passing-to-ajax