focus jquery input code example

Example 1: jQuery check element has focus

//test if element has focus in jQuery
if ($("#myElementID").is(":focus")) {
    //I have the focus
}

//test if element has focus in plain Javascript
var myElement = document.getElementById('myID');
if(myElement === document.activeElement){
    //myElement Has Focus
}

Example 2: jquery give control focus

$('.class').focus();
$('#name').focus();

Example 3: jquery focus input end of text

<input type="text" id="Search" value="Hello" />

var searchInput = $('#Search');

// Multiply by 2 to ensure the cursor always ends up at the end;
// Opera sometimes sees a carriage return as 2 characters.
var strLength = searchInput.val().length * 2;

searchInput.focus();
searchInput[0].setSelectionRange(strLength, strLength);