web前端|js教程
js表单验证,常用表单验证,表单验证代码
web前端-js教程
最近没有项目做，有点空余时间，小编把日常比较常用的js表单验证代码整理分享到脚本之家平台，供大家学习，需要的朋友参考下吧！
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注册验证：
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//验证表单function vailForm(){var form = jQuery("#editForm");if(!vailNickName())return;if(!vailPhone())return;if(!vailPwd())return;if(!vailConfirmPwd())return;if(!vailEmail())return;if(!vailCode())return;if(!vailAgree())return;form.submit();}//验证昵称function vailNickName(){var nickName = jQuery("#nickName").val();var flag = false;var message = "";var patrn=/^\d+$/;var length = getNickNameLength();if(nickName == \){message = "昵称不能为空！";}else if(length16){message = "昵称为4-16个字符！";} else if(checkNickNameIsExist()){message = "该昵称已经存在，请重新输入！";}else{flag = true;}if(!flag){jQuery("#nickNameDiv").removeClass().addClass("ui-form-item has-error");jQuery("#nickNameP").html("");jQuery("#nickNameP").html("
请输入数字。如果输入值不是数字，浏览器会弹出提示框。
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function myFunction(){var x=document.getElementById("demo").value;if(x==""){ alert("输入不能为空"); return;}if(isNaN(x)){ alert("请输入数字"); return;}if(x.length!=6){ alert("请输入6位数字"); return;}}//验证密码为数字字母下划线function CheckPwd(pwd) {var validStr = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_~/!@#$%^&*();-+.=,";for (i = 0; i < pwd.length; i++) {if (validStr.indexOf(pwd.charAt(i)) == -1) {return false;}}return true;}//验证邮箱格式function checkemail(email) {var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;if (!filter.test(email)) {return false;}return true;}function isEmail(val) {return /^((([a-z]|\d|[!#\$%&\*\+\-\/=\?\^_\`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/.test(val);}///手机号码验证function checktelephone(cellPhone) {var RegCellPhone = /^([0-9]{11})?$/;falg = cellPhone.search(RegCellPhone);if (falg == -1) {return false;} else {return true;}}//获取URL参数值function getParameter(param) {var query = window.location.search;var iLen = param.length;var iStart = query.indexOf(param);if (iStart == -1)return "";iStart += iLen + 1;var iEnd = query.indexOf("&", iStart);if (iEnd == -1)return query.substring(iStart);return query.substring(iStart, iEnd);}
以上代码是小编给大家介绍的js表单验证，代码简单易懂，非常实用，希望对大家有所帮助，同时也非常感谢大家对脚本之家网站的支持！
