html5自带表单验证体验优化及提示气泡修改功能HTML5表单验证特性(知识点小结)HTML5 表单验证失败的提示语问题使用HTML5和CSS3表单验证功能HTML5实现表单自动验证功能实例代码HTML5利用约束验证API来检查表单的输入数据的代码实例html5的input的required使用中遇到的问题及解决方法html5中valid、invalid、required的定义wordpress添加Html5的表单验证required方法小结

 .myform select:required, .myform input:required, .myform textarea:required { background: #fff url(http://sandbox.runjs.cn/uploads/rs/216/0y89gzo2/star.jpg) no-repeat 99% center; } .myform select:required:valid, .myform input:required:valid, .myform textarea:required:valid { background: #fff url(http://sandbox.runjs.cn/uploads/rs/216/0y89gzo2/right.png) no-repeat 99% center; box-shadow: 0 0 5px #5cd053; border-color: #28921f; } .myform select:focus:invalid, .myform input:focus:invalid, .myform textarea:focus:invalid { background: #fff url(http://sandbox.runjs.cn/uploads/rs/216/0y89gzo2/error.png) no-repeat 99% center; box-shadow: 0 0 5px #d45252; border-color: #b03535 }

 oninvalid="this.setCustomValidity('请输入正确的号码');" oninput="setCustomValidity('')"

 function checkPassword() { var pass1 = document.getElementById("Password"); var pass2 = document.getElementById("Repassword"); if (pass1.value != pass2.value) pass2.setCustomValidity("两次输入的密码不匹配"); else pass2.setCustomValidity(""); }

 ::-webkit-validation-bubble { min-width:152px; margin-top: -1px;} ::-webkit-validation-bubble-arrow { border: 1px solid #F7CE39; background: #FFFBC7; /* position:relative; */ top: 4px; left: 0px; } ::-webkit-validation-bubble-arrow-clipper { text-align: center; } ::-webkit-validation-bubble-heading { color: #444; } ::-webkit-validation-bubble-message { border: 1px solid #F7CE39; background: #FFFBC7; border-radius: 3px; } ::-webkit-validation-bubble-text-block { font-size: 12px; }

Submit

 function replaceValidationUI( form ) { //阻止气泡 form.addEventListener( "invalid", function( event ) { event.preventDefault(); }, true ); // 支持Safari, iOS Safari, Android 浏览器 // 默认提交表格 form.addEventListener( "submit", function( event ) { if ( !this.checkValidity() ) { event.preventDefault(); } }); // 新增错误提示的容器 form.insertAdjacentHTML( "afterbegin", "
" ); var submitButton = form.querySelector( "button:not([type=button]), input[type=submit]" ); submitButton.addEventListener( "click", function( event ) { var invalidFields = form.querySelectorAll( ":invalid" ), listHtml = "", errorMessages = form.querySelector( ".error-messages" ), label; for ( var i = 0; i < invalidFields.length; i++ ) { label = form.querySelector( "label[for=" + invalidFields[ i ].id + "]" ); listHtml += "
" + label.innerHTML + " " + invalidFields[ i ].validationMessage + "
"; } // 把错误的信息放到错误容器里面 errorMessages.innerHTML = listHtml; // 给第一个错误的input选中 // 错误信息容器显示 if ( invalidFields.length > 0 ) { invalidFields[ 0 ].focus(); errorMessages.style.display = "block"; } }); } // 替换form中所有的验证UI var forms = document.querySelectorAll( "form" ); for ( var i = 0; i < forms.length; i++ ) { replaceValidationUI( forms[ i ] ); }