Menu ▾ ▴

[c94d08]: / caretTo.js  Maximize  Restore  History

Download this file

53 lines (48 with data), 1.2 kB 

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
// Set caret position easily in jQuery

// Written by and Copyright of Luke Morton, 2011

// Licensed under MIT

(function ($) {

// Behind the scenes method deals with browser

// idiosyncrasies and such

$.caretTo = function (el, index) {

if (el.createTextRange) {

var range = el.createTextRange();

range.move("character", index);

range.select();

} else if (el.selectionStart != null) {

el.focus();

el.setSelectionRange(index, index);

}

};

 

// The following methods are queued under fx for more

// flexibility when combining with $.fn.delay() and

// jQuery effects.

 

// Set caret to a particular index

$.fn.caretTo = function (index, offset) {

return this.queue(function (next) {

if (isNaN(index)) {

var i = $(this).val().indexOf(index);

if (offset === true) {

i += index.length;

} else if (offset) {

i += offset;

}

$.caretTo(this, i);

} else {

$.caretTo(this, index);

}

next();

});

};

 

// Set caret to beginning of an element

$.fn.caretToStart = function () {

return this.caretTo(0);

};

 

// Set caret to the end of an element

$.fn.caretToEnd = function () {

return this.queue(function (next) {

$.caretTo(this, $(this).val().length);

next();

});

};

}(jQuery));