how to populate current login user in to people picker using JQuery

In this article we can able to see how to populate current login user in to people picker using JQuery.
we are having  a requirement, when  we are trying to create a new item, there is a column with people picker field in that

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Get current login user in SharePoint using JQuery

we have to auto populate the user using the below code.

<script type="text/javascript" src="/sites/DotnetSharepoint/SiteAssets/jquery.SPServices-0.7.2.min.js"></script>
<script type="text/javascript" src="/sites/DotnetSharepoint/SiteAssets/jquery.SPServices-2014.01.min.js"></script>

<script language="javascript" type="text/javascript">

$(document).ready(function()
{
ExecuteOrDelayUntilScriptLoaded(loadConstants, "sp.js");
});

function loadConstants() {
var userName = $().SPServices.SPGetCurrentUser({
fieldName: "UserName",
debug: false
});
$('h3:contains("HereFieldDislplayNameinNewForm")').closest('tr').find('div[title="People Picker"]').html(userName);
$('img[title="Check Names"]').trigger('click');


}
</script>

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Get QueryString Value in SharePoint webpart and pass that value to browser's title bar in the page Programatically

          Using "HtmlTitle" we can pass the browser's title bar in the Page. I am passing QueryString Value with Page url in the list, so first i am getting the Query String value and passing that value to "HtmlTitle ". The following is the code for getting QueryString Value and pass that value to title bar in the page.

 using System.Web.UI.HtmlControls

public string querystringvalue = string.Empty;
 protected void Page_Load(object sender, EventArgs e)
        {
                      //Getting Query String Value
                      querystringvalue = Convert.ToString(HttpContext.Current.Request.QueryString["value"]);
                       HtmlTitle tagTitle = new HtmlTitle();
                       tagTitle.Text = "querystringvalue ";
                       Page.Header.Controls.Remove(   
                          Page.Header.FindControl("PlaceHolderPageTitle").Parent);
                        Page.Header.Controls.Add(tagTitle);
        }

In my post we can check How to Add Page Title on their browser's title bar in SharePoint Programatically 

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