Below ExecuteOrDelay...line should be first line before you execute any client object model script
ExecuteOrDelayUntilScriptLoaded(funDefault, "sp.js");
var context = null;
var web = null;
context = new SP.ClientContext.get_current();
web = context.get_web();
context.load(web);
var list = web.get_lists().getByTitle("Employees");
var camlQuery = new SP.CamlQuery();
var q = ""++"100";
camlQuery.set_viewXml(q);
this.listItems = list.getItems(camlQuery);
context.load(listItems,'Include(DisplayName,Id,EmpFullName)'); //what ever field you want from Employee list, you can specify here. DisplayName is nothing but 'Title'
context.executeQueryAsync(Function.createDelegate(this, this.onSuccessMethod), Function.createDelegate(this, this.onFailureMethod));
function onSuccessMethod(sender, args)
{
var listEnumerator = this.listItems.getEnumerator();
if(this.listItems.get_count()!=0)
{
while (listEnumerator.moveNext())
{
var item = listEnumerator.get_current();
var title = item.get_displayName();
var body=new Option(title, item.get_item('Body'));
document.getElementById('divMain').innerHTML=item.get_item('EmpFullName'); //divMain is a div that i added in content editor webpart
}
}
}
function onFailureMethod(sender, args)
{
alert('request failed....' + args.get_message() + '\n' + args.get_stackTrace());
}