1. 程式人生 > >input框focusEnd

input框focusEnd

ext har tex osi this his function cti focus

$.fn.setCursorPosition = function(position){
if(this.lengh == 0) return this;
return $(this).setSelection(position, position);
}

$.fn.setSelection = function(selectionStart, selectionEnd) {
if(this.lengh == 0) return this;
input = this[0];

if (input.createTextRange) {
var range = input.createTextRange();
range.collapse(true);
range.moveEnd(‘character‘, selectionEnd);
range.moveStart(‘character‘, selectionStart);
range.select();
} else if (input.setSelectionRange) {
input.focus();
input.setSelectionRange(selectionStart, selectionEnd);
}

return this;
}

$.fn.focusEnd = function(){
this.setCursorPosition(this.val().length);
}

$("###").focusEnd();

input框focusEnd