经测试,兼容IE8
代码如下 | 复制代码 |
//设置焦点相关---begin //用法:$("#txtInput").val("你好").focusEnd(); $.fn.setCursorPosition =function(position) { if(this.lengh == 0)returnthis; return$(this).setSelection(position, position); } $.fn.setSelection =function(selectionStart, selectionEnd) { if(this.lengh == 0)returnthis; input =this[0]; if(input.createTextRange) { varrange = input.createTextRange(); range.collapse(true); range.moveEnd('character', selectionEnd); range.moveStart('character', selectionStart); range.select(); }elseif(input.setSelectionRange) { input.focus(); input.setSelectionRange(selectionStart, selectionEnd); } returnthis; } $.fn.focusEnd =function() { if(this.val() != undefined) { this.setCursorPosition(this.val().length); } } //设置焦点相关---end |