时间:2021-07-01 10:21:17 帮助过:10人阅读
经测试,兼容IE8
//设置焦点相关---begin //用法:$("#txtInput").val("你好").focusEnd(); $.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 () { if (this.val() != undefined) { this.setCursorPosition(this.val().length); } } //设置焦点相关---end
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