CSR /JSLink

;(function(){

 var priorityFiledContext = {};  

    priorityFiledContext.Templates = {}; 

priorityFiledContext.Templates.Header = "<div id='CompanyAnnounce'>";

priorityFiledContext.Templates .Footer="</div>";

   priorityFiledContext.Templates.Item = priorityFiledTemplate; 

    SPClientTemplates.TemplateManager.RegisterTemplateOverrides(priorityFiledContext); 

})();

function priorityFiledTemplate(ctx) { 

 var oItem = ctx.CurrentItem;

 var render = "<table id='tblAnnouncement'><tr><td><h4><b>"+oItem["Title"]+"</b></h4></td></tr>";

 render += "<tr><td  style='align:left;color:red;'><span style='color:black;'>By </span>"+oItem["Author"][0].title+"</td></tr>"; 

 render += "<tr><td style='color:red;float:right;'> "+oItem["Created"]+"</td></tr>"; 

 render += "<tr><td ><p> "+oItem["Body"]+"</p></td></tr>";

render += "</table>";  

 return render;

}

SharePoint - JavaScript current page context info

http://johnliu.net/blog/2012/2/3/sharepoint-javascript-current-page-context-info.html

html page insert iframe without border use seamless

<iframe src=" test.html" seamless ></iframe>

Sharepoint open Page   with out or With ribon control using query string.

in the query string use below attribute to show or hide ribbon control.
InitialTabId=Ribbon.WebPartPage
InitialTabId=Ribbon.Read

http://msdn.microsoft.com/en-us/library/microsoft.web.commandui.ribbon_members.aspx

One of the simplest way is to create your Watermark function for HTML Inputbox

<input
type="text"
value="Search Wiki"
name="visitors_name"
onblur="if(value=='') value = 'Search Wiki'"
onfocus="if(value=='Search Wiki') value = ''"
/>

 Add custom master page

http://pratapreddypilaka.blogspot.in/2013/03/deploying-custom-master-page-using.html

http://frederik.se/how-to-deploy-a-custom-master-page-in-sharepoint-2013-using-visual-studio/

If there is error in regular expression remaining expressions in the page also are not validating. with out validating form is getting submitted.

Regular expression to validate whether all number of an integer should not 

be zero as 00, 000 ,0 , 0000

  ^(?=.*[1-9].*)[0-9]{1,5}$