jQuery/HTML5 Input Focus and Cursor Positions

Sam Deering
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Here are some code snippets and examples of how to use jQuery & HTML5 to set cursor Input Focus and Cursor Positions which are common actions with login forms and such. Comments, improvements and suggestions welcomed.

cursor-focus

jQuery Input Focus

Simply call the focus() function to set focus to an input.

//set focus on input
$('input[name=firstName]').focus();

jsfiddle.net/z9Ldt/

HTML5 Input Focus

Awesome feature provided by HTML5… Couldn’t find this on http://html5please.com/ but I’ve tested it’s working in Chrome & Firefox but not in IE9 or below.

//AUTO INPUT FOCUS
<input type="text" name="myInput" autofocus />

jsfiddle.net/89PHL/

jQuery Set Cursor Position

jQuery function to set the cursor position to a specfic character position within an input field.

//SET CURSOR POSITION
$.fn.setCursorPosition = function(pos) {
  this.each(function(index, elem) {
    if (elem.setSelectionRange) {
      elem.setSelectionRange(pos, pos);
    } else if (elem.createTextRange) {
      var range = elem.createTextRange();
      range.collapse(true);
      range.moveEnd('character', pos);
      range.moveStart('character', pos);
      range.select();
    }
  });
  return this;
};

Example Usage

Sets cursor position after first character.

$('#username').setCursorPosition(1);

jsfiddle.net/tAZSs/

jQuery Set Cursor Position

jQuery function to auto select text (specific number of characters) within an input field.

//SELECT TEXT RANGE
$.fn.selectRange = function(start, end) {
    return this.each(function() {
        if (this.setSelectionRange) {
            this.focus();
            this.setSelectionRange(start, end);
        } else if (this.createTextRange) {
            var range = this.createTextRange();
            range.collapse(true);
            range.moveEnd('character', end);
            range.moveStart('character', start);
            range.select();
        }
    });
};

Example Usage

Selects the first 5 characters in the input.

$('#username').selectRange(0,5);

jsfiddle.net/yMUx5/

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  • Serdar Kuzucu

    Thank you! Useful topic and codes :)

  • Beach

    This article is useful. I do have one question though.

    Why in the selectRange function is this.each() returned but in the setCursorPosition function this is returned? It is my understanding that returning this.each() allows for function chaining…Was function chaining for setCursorPosition undesired, or was there another reason/benefit to returning this instead of this.each()?

  • freddy

    Cool i prefer using HTML5, is taht all browser support HTML5 ?