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Actually the bell Function is called when some one clicks on a button that button's ID is catched by this function --- function SetID(ID) ID == Button's ID

I dont Understand this part of code --
what does it mean
function SetID(ID) 
      var strID = "#" + ID;
      $.get('Dynamic_page.aspx', { Id: ID, Mode:$(strID)[0].value }, function() {});
      //ID = "#" + ID;
      if ($(strID)[0].value == "Follow") 
            $(strID)[0].value = "UnFollow";                     
            $(strID)[0].value = "Follow";                   
Posted 27-Feb-13 0:28am
sr_24 27-Feb-13 6:29am

what Does [o] Means ?? Anyone Please Describe ...thanks in advance
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Solution 1

The code

is pointing to value property of first element with id equal to ID.
Note, that there is no “o”, but “0” (zero) in brackets, which indicates Array type of variable.

In the $.get ... line you are providing the “Mode” property into your GET AJAX call with value mentioned above.
sr_24 27-Feb-13 7:09am
What is Mode in Mode:$(strID)[0].value ???
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Solution 2

$.get('Dynamic_page.aspx', { Id: ID, Mode:$(strID)[0].value }, function() {});

Id and Mode are the Parameters/Data (whose values are ID and $(strID)[0].value respectively) you are passing to Dynamic_page.aspx Page.

Refer - jQuery.get()[^]
Go to - Examples -> Example -> Request the test.php page and send some additional data along (while still ignoring the return results).

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