03
|
insertAtCaret: function(myValue){
|
05
|
if (document.selection) {
|
07
|
sel = document.selection.createRange();
|
12
|
if ($t.selectionStart || $t.selectionStart == '0') {
|
13
|
var startPos = $t.selectionStart;
|
14
|
var endPos = $t.selectionEnd;
|
15
|
var scrollTop = $t.scrollTop;
|
16
|
$t.value = $t.value.substring(0, startPos) + myValue + $t.value.substring(endPos, $t.value.length);
|
18
|
$t.selectionStart = startPos + myValue.length;
|
19
|
$t.selectionEnd = startPos + myValue.length;
|
20
|
$t.scrollTop = scrollTop;
|
23
|
this.value += myValue;
|
使用方法:
1
|
$(selector).insertAtCaret("value");
|
转自http://www.popo4j.com/article/Jquery-insert-content-at-the-cursor-position.html