How to get ID value in jquery summary _jquery

Copy Code code as follows:

<div id= "Product_shift_out_{m}" > </div>
<script language = "JavaScript" type= "Text/javascript" >
$ (document). Ready (function () {
Name = $ (' div '). EQ (0). attr (' id ');
Alert (name)
});
</script>

EQ (0) is to take the first JQ element ...

EQ (Index)
An element that matches a given index value

Matches a single element by its index.
return value
Element

Parameters
Index (number): Counting starting from 0

Example
Find second row

HTML Code:

Copy Code code as follows:

<table>
<tr><td>header 1</td></tr>
<tr><td>value 1</td></tr>
<tr><td>value 2</td></tr>
</table>

JQuery Code:

Copy Code code as follows:

$ ("Tr:eq (1)")

Results:

Copy Code code as follows:

[<tr><td>value 1</td></tr>]

Get values for different IDs

Copy Code code as follows:

<script src= "Js/jquery.js" ></script>
<script type= "Text/javascript" >
<!--
$ (document). Ready (function () {
var len = $ ("#group span"). Size ();//Get the number of span labels
var arr = [];
for (var index = 0; index < len-1; index++) {//Create a numeric array
Arr[index] = index;
}
$.each (arr, function (i) {//loop to get different ID values
var idvalue = $ ("#group span"). EQ (i). attr ("id");
if (idvalue!= ') {
alert (idvalue);
}
});
});
-->
</script>
<span id= "group" >
<span id= "0_1" >aaa,
<span group_id= "0_1" class= "Icon_close" > </span>
</span>
<span id= "0_2" >bbb,
<span group_id= "0_2" class= "Icon_close" > </span>
</span>
<span id= "0_3" &GT;CCC,
<span group_id= "0_3" class= "Icon_close" > </span>
</span>
<span id= "0_4" >ddd,
<span group_id= "0_4" class= "Icon_close" > </span>
</span>
<span id= "0_5" >eee,
<span group_id= "0_5" class= "Icon_close" > </span>
</span>
</span>

This will get all the IDs you want:
0_1
0_2
0_3
0_4
0_5

text box, text area:

Copy Code code as follows:

$ ("#txt"). attr ("Value", "");/empty content
$ ("#txt"). attr ("value", ' 11 ');//fill content

Multi-selection box checkbox:

Copy Code code as follows:

$ ("#chk1"). attr ("Checked", "");/no tick.
$ ("#chk2"). attr ("Checked", true);/tick
if ($ ("#chk1"). attr (' checked ') ==undefined)//judge whether it has been ticked