jQuery serialize form serialize() serializeArray()

1. serialize() method

Description: The content of the serialized form is String, used for Ajax requests.

Format: var data = $("form").serialize();

2 .serializeArray() method

Description: Serialize form elements (similar to the '.serialize()' method) returns JSON data structure data.

                                                                                                                                                                                                                              can Return a JSON object rather than a JSON string. You need to use plug-ins or third-party libraries for stringification operations.

Format: var jsonData = $("form").serializeArray();

When using ajax to submit form data, the above two Either method can set the data parameter to $("form").serialize() or $("form").serializeArray().

Demo

<form id="myform">
	<table>
		<tr>
			<td>姓名:</td>
			<td> <input type="text" name="name" /> </td>
		</tr>
		<tr>
			<td>性别:</td>
			<td>
				<input type="radio" name="sex" value="1"> 男
				<input type="radio" name="sex" value="0"> 女
			</td>
		</tr>
		<tr>
			<td>年龄:</td>
			<td>
				<select name="age">
					<option value="20">20</option>
					<option value="21">21</option>
					<option value="22">22</option>
				</select>
			</td>
		</tr>
		<tr>
			<td colspan="2">
				<input type="button" id="ajaxBtn" value="提交" />
			</td>
		</tr>
	</table>
</form>

$(function() {
   $("#ajaxBtn").click(function() {
	var params1 = $("#myform").serialize();
	var params2 = $("#myform").serializeArray();
	console.log(params1);  //name=zhangsan&sex=1&age=20
	console.log(params2);  //[Object, Object, Object]
	$.ajax( {
		type : "POST",
		url : "RegisterAction.action",
		data : params1,
		success : function(msg) {
			alert("success: " + msg);
		}
	});
   })
})

You can see the difference between the two methods from the picture below

Author: itmyhome

Source: http://blog.csdn.net/itmyhome1990/article/details/41866265

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