move cursor to the beginning of the input field?

Question

when you click on \'Ask question\' here in Stackoverflow you see a text \"What\'s your programming question? Be descriptive.\"

i want the same thing and all i need f

Answer 1

 $('#txtYourTextBox').blur(function () { 
    var val = $("#txtYourTextBox").val();
    $("#txtYourTextBox").val('');
    setTimeout(function () { $("#txtYourTextBox").val(val); }, 20);
});