I am having a list name “Required” with two columns “Title” and “Country”, Country is required field I want to keep default value as “Select” in the Drop down and also it has to throw message as required field when the user is trying to save the item if the default value is “Select”.
Refer the Two JS file from the internet.
jquery-1.11.0.min.js and jquery.SPServices-2014.01.min.js
$('select[title^="Country"]').prepend('<option selected ="selected"
$('select[title^="Country"]').eq(0).selectedIndex = 0;
Copy the code in Text file and load it in Site Assets.
Refer the script path in the NewForm.aspx page by edit the page and place the content editor refer the script path in the Content Editor.
Finally it will work as shown below.