先看效果图: 要求:当输入框获得焦点时,自动显示验证图片。 代码如下(学习而已,仅供参考): 代码如下:/***********************下是验证码对象*****************/ var Validation = {}; Validation.init = function(eleName,imageSrc){ this.image = imageSrc; $(#+eleName).focusin(function(){ Validation.show(eleName); }); } Validation.image = ; Validation.display=false; Validation.width = 100px; Validation.hei...
javascript 验证码实现代码_脚本之家测试 .code {}{ background-image:url(code.jpg); font-family:Arial; font-style:italic; color:Red; border:0; padding:2px 3px; letter-spacing:3px; font-weight:bolder; } .unchanged {}{ border:0; } var code ; //在全局 定义验证码 function createCode() { code = ""; var codeLength = 6;//验证码的长度 var checkCode = document.getElementById("checkCode"); ...
lcase(Session("GetCode")) then response.write "" Session("GetCode")=empty response.End() Else Response.Write "" response.End() end if end if %> /*显示认证码 o start1*/ function get_Code() { var Dv_CodeFile = "//www.gxlcms.com/inc/getcode.asp"; //这个地方需要换车你网站实际的地址 if(document.getElementById("imgid")) document.getElementById("imgid").innerHTML = '' } /*o end*/ va...
只有这一段事件触发语句全搞定 onclick='this.src="GifCode.asp#"+new Date().getTime()' // GifCode.asp 验证码的图片 事件: onclick='this.src="GifCode.asp#"+new Date().getTime()' 呵呵! 很简单很简单很简单,没想到吧 同理可以在ASP.NET PHP JSP 中运用
自从读了《网站重构》这本书,现在对网站设计的思想有了根本性的改变。国内越来越多的媒体也极度关注WEB标准的进展情况,很多门户网站也开始使用符合标准的设计方法重新设计页面,像网易等。这段时间正好在制作一个访谈系统,采用了符合W3C标准的布局方法,分别在IE5.5、IE6.0、IE7.0、Firefox 2.0、Opera 9.0环境下进行了测试,各不同厂商对CSS的理解也进一步趋于完善,这对于前台页面的制作人员减少了一定的工作量。好了,归于正...
验证码 <!DOCTYPE html> <html lang="en"> <head><meta charset="UTF-8"><title>验证码</title><script>window.onload = function (){var img = document.getElementById("checkCode");img.onclick = function(){var date = new Date().getTime()img.src = "/day13/checkCodeServlet?"+date;}}function ReCheckCode(){var img = document.getElementById("checkCode");img.src = "/day13/checkCodeServlet?recheckCode"+Math.rando...
<!doctype html> <html> <head><meta charset="utf-8"><title>js简单验证码使用</title><style>.code{font-family:Arial;font-style:italic;color:blue;font-size:30px;border:0;padding:2px 3px;letter-spacing:3px;font-weight:bolder;float:left;cursor:pointer;width:150px;height:50px;line-height:60px;text-align:center;vertical-align:middle;background-color: #fdffbd;}span {text-decoration:none;font-size:12px;colo...
有人可以给我发一个链接,或者给我一个纯Javascript / jQuery验证码的例子.因为我可以在PHP / C#后端看到很多例子.但我只需要Javascript. 谢谢 !!解决方法:我认为这不是一个好主意,因为如果在客户端(js)中进行验证,有人可以制作一个脚本来读取正确的答案. 编辑 无论如何,如果你想要一个无用的验证码,你可以玩这个: 见jsfiddle. HTMLPseudo-Human check.<br/>How much is: <input type="text" id="a"/> <br/>Answer:<input type="...
倒计时——从10倒数到0,点击按钮会还原倒计时<body><!-- 将textvalue值设为10,从10倒数 --><input type="text" value="10" id="txt"><input type="button" value="重新开始" id="btn"> </body> <script>var oT = document.getElementById("txt");var oB = document.getElementById("btn");var timer;//封装一个开始倒数的函数function start(){//开启计时器,每秒text框中的数值自减1timer = setInterval(function(){oT.value--;...
1.pngtool.jsfunction rand(min,max) { return Math.round(Math.random()*(max-min)+min); }function $(id){ return document.getElementById(id); } 验证码.html<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html><head><title> New Document </title><meta name="Generator" content="EditPlus"><meta name="Author" content=""><meta name="Keywords" content=""...
html:<input type="text" id="input1"> <input type="button" id="checkCode" class="code" style="width:60px"onclick="createCode()"> <a href="###" onclick="createCode()">看不清楚</a> <input id="Button1" onclick="validate();" type="button" value="确定"> Js:var code; //在全局 定义验证码 function createCode() {code = new Array();var codeLength = 4; //验证码的长度var checkCode = document.getElementById("ch...
验证码效果图全部代码<!DOCTYPE html> <html> <head lang="en"><meta charset="UTF-8"><title></title><style>.block {width: 100px;height: 40px;border: 1px solid silver;float: left;background-image: url("./image/1.png");background-size: 100px 40px;overflow: hidden;}#kk {float: left;color: blue;font-size: 12px;position: relative;top: 28px;left: 5px;cursor: pointer;}.num {display: inline-block;line-height:...
var checkcode = document.getElementById("code"); var btn = document.getElementById("btn"); var refresh = document.getElementById("refresh"); var code = "";//生成随机的验证码 function setCode(){code = "";var length = 4;var array = [0,1,2,3,4,5,6,7,8,9,Q,W,E,R,T,Y,U,I,O, P,A,S,D,F,G,H,J,K,L,Z,X,C,V,B,N,M];for (var i = 0;i<length;i++){let index = Math.floor(Math.random() * 36);code += array[index];//...
data() {return {phone:,code:,time:0,timer:{},codeName:获取验证码} }, mounted(){var getCodeTime = uni.getStorageSync(getCodeTime) ? uni.getStorageSync(getCodeTime) : 0;//页面初始化if (getCodeTime > 0) {this.timeCount(getCodeTime)} }methods: {timeCount(time){//倒计时uni.setStorageSync(isGetCode,1)clearInterval(this.timer);var set_time = 20;this.timer = setInterval(()=>{this.time = set_time ...
<!DOCTYPE html> <html lang="en"> <head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title><style>*{margin: 0;padding: 0;}#box{width: 180px;height: 90px; margin:100px auto;border: 1px solid black; position: relative; }#box #box_random{width: 80px;height: 50px;font-size: 16px;text-align: center;line-height: 50px;color: blue;b...