jQuery / get or set - text input value

How to check value of text input?

var myInputValue = $('#myInput').val();

 

 

 

 
 
     
    Get input value
 
    

        
    

How to set input text value?

$('#myInput').val('My new value');

 

 

 

 
 
     
    Set msg to second input

    Type here new msg