// input框输入1位数字后自动跳到下一个input聚焦 function goNextInput(el){ var txts = document.querySelectorAll(el); for(var i = 0; i<txts.length;i++){ var t = txts[i]; t.index = i; t.setAttribute("readonly", true); t.onkeyup=function(){ this.value=this.value.…
以下代码:input验证码框,输入非数字或非12位时,红框提示;每4位加一个空格 //input验证码框,输入非数字或非12位时,红框提示;每3位加一个空格 $(".text").focus(function(){ $(this).keyup(function(){ var num = /^[0-9]*$/; var verifyValue = $(this).val(); var deleteLogo = $(".delete-logo");//删除的小叉号 ve…
Given an array of integers that is already sorted in ascending order, find two numbers such that they add up to a specific target number. The function twoSum should return indices of the two numbers such that they add up to the target, where index1 m…
Given a Binary Search Tree and a target number, return true if there exist two elements in the BST such that their sum is equal to the given target. Example 1: Input: 5 / \ 3 6 / \ \ 2 4 7 Target = 9 Output: TrueExample 2: Input: 5 / \ 3 6 / \ \ 2 4…
Given a Binary Search Tree and a target number, return true if there exist two elements in the BST such that their sum is equal to the given target. Example 1: Input: 5 / \ 3 6 / \ \ 2 4 7 Target = 9 Output: True Example 2: Input: 5 / \ 3 6 / \ \ 2 4…
需求背景 需要输入一串15位的数字,但是要分为3个输入框,每个输入框限定长度5位,当删除当前输入框的内容时,focus到上一个输入框: 实现方法 var field = $('.phone-field'); field.on('keyup', 'input.phone-input', function(e) { var key = e.keyCode || e.charCode; var inputs = $('input.phone-input'); if ($(this).val().le…
1.oracle安装 参考http://wenku.baidu.com/view/d01ffd43336c1eb91a375d68.html,这里不再赘述 2.命令行sqlplus连接oracle (1)检查监听状态 C:\>lsnrctl status LSNRCTL for 32-bit Windows: Version 9.2.0.1.0 - Production on 28-6月 -2005 11:01:01 Copyright (c) 1991, 2002, Oracle Cor…