我一直在学习javascript和jquery,在尝试使用jquery函数验证表单字段时遇到了问题。问题是它在被调用的前两次(当我按特定元素的更新按钮时)以及每当我试图进行第三次调用时(通过按与先前相同的元素按更新按钮)都可以正常工作它正在调用自身,但是我显然没有提及任何递归调用,也没有在函数中再次调用它。我不确定为什么它会自称。请帮我。我将附上小提琴。在main.updateData(Object.assign({},main.newObject),keys)中触发重置后;在第三次显示名称为空的错误,这应该不会发生。
我尝试给出断点并检查这种奇怪行为的原因,但我做不到
名称字段仅在为空时应显示错误,而第三次即使在不为空时也显示错误
validateFormData: function(value, keys, idCount) {
var keyIndex = 0;
main.newObject[keys[keyIndex++]] = idCount;
if (value == "update") {
main.newObject[keys[0]] = $(".active-contact").attr('id');
//alert("new updated id is " + main.newObject[keys[0]]);
}
var validElementsCount = 0;
var alphabet_pattern = /^[a-z]+\s*/i;
var email_pattern = /[a-z]{0,}[0-9]{0,4}[.]{0,1}[0-9]{0,4}[a-z]{0,8}[0-9]{0,4}[@][a-z]{0,20}[.](com)/i;
var number_pattern = /^[0-9]{10}$/;
var website_pattern = /^(www)[.][a-z]{1,20}[.](com)$/i;
/*Validating the form inputs against the regex pattern*/
if ($("#employee-name").val() == "") {
$("#employee-name-error").text("name cannot be empty");
} else if (!alphabet_pattern.test($("#employee-name").val())) {
$("#employee-name-error").text("Only alphabets are allowed");
} else {
validElementsCount++;
$("#employee-name-error").text("");
main.newObject[keys[keyIndex++]] = $("#employee-name").val();
//alert("object is " + JSON.stringify(main.newObject[keys[keyIndex-1]]) + " key is " + keys[keyIndex-1]);
}
//employee email validation
if (email_pattern.test($("#employee-email").val()) || $("#employee-email").val() == "") {
$("#employee-email-error").text("");
validElementsCount++;
main.newObject[keys[keyIndex++]] = $("#employee-email").val();
//alert("object is " + JSON.stringify(main.newObject[keys[keyIndex - 1]]) + " key is " + keys[keyIndex - 1]);
} else {
$("#employee-email-error").text("Follow email pattern");
}
//employee mobile validation
if (number_pattern.test($("#employee-mobile").val()) || $("#employee-mobile").val() == "") {
$("#employee-mobile-error").text("");
validElementsCount++;
main.newObject[keys[keyIndex++]] = $("#employee-mobile").val();
//alert("object is " + JSON.stringify(main.newObject[keys[keyIndex - 1]]) + " key is " + keys[keyIndex - 1]);
} else {
$("#employee-mobile-error").text("Only 10 digit number is allowed");
}
//employee landline no validataion
if (number_pattern.test($("#employee-land-line").val()) || $("#employee-land-line").val() == "") {
$("#employee-land-line-error").text("");
validElementsCount++;
main.newObject[keys[keyIndex++]] = $("#employee-land-line").val();
//alert("object is " + JSON.stringify(main.newObject[keys[keyIndex - 1]]) + " key is " + keys[keyIndex - 1]);
} else {
$("#employee-land-line-error").text("Only 10 digit number is allowed");
}
//employee website validation
if (website_pattern.test($("#employee-website").val()) || $("#employee-website").val() == "") {
$("#employee-website-error").text("");
validElementsCount++;
main.newObject[keys[keyIndex++]] = $("#employee-website").val();
} else {
$("#employee-website-error").text("Follow website pattern");
}
main.newObject[keys[keyIndex++]] = $("#employee-address").val();
if (validElementsCount == 5) {
if (value == "add") {
main.addEmployeeClick(Object.assign({}, main.newObject));
$(".employee-details-form").trigger("reset");
} else if (value == "update") {
//alert("new object is " + JSON.stringify(Object.assign({}, main.newObject), keys));
main.updateData(Object.assign({}, main.newObject), keys);
$(".employee-details-form").trigger("reset");
}
}
},
答案 0 :(得分:0)
您可以在第34行的#update-employee-btn点击事件绑定之前添加.off()。
$("#update-employee-btn").off().click(....)
让我知道它是否也对您有用。