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我的代碼有問題,如果你幫我,我將不勝感激。問題是,當您正確填寫表單中的所有輸入時,腳本會從提交按鈕中刪除屬性「已禁用」,但例如,如果在填寫表單後清除所有字段,則提交按鈕將能夠提交表單,但它必須返回屬性「禁用」。我該如何解決它?我該如何解決我的表單驗證問題
//validation name
document.callbackform.name.onkeyup = function() {
var name = document.callbackform.name.value;
if (name === "") {
document.callbackform.name.removeAttribute("class", "ready");
document.getElementById("callError").style.display = "block";
document.getElementById("calllErrorTwo").style.display = "none";
} else {
document.getElementById("callError").style.display = "none";
var pattern = new RegExp("^[а-я]+$", "i");
var isValid = this.value.search(pattern) >= 0;
if (!(isValid)) {
document.getElementById("calllErrorTwo").style.display = "block";
document.callbackform.name.removeAttribute("class", "ready");
} else {
document.getElementById("calllErrorTwo").style.display = "none";
document.callbackform.name.setAttribute("class", "ready");
}
}
};
//validation phone
document.callbackform.phone.onkeyup = function() {
var name = document.callbackform.phone.value;
if (name === "") {
document.callbackform.phone.removeAttribute("class", "ready");
document.getElementById("calltelError").style.display = "block";
document.getElementById("calltelErrorTwo").style.display = "none";
} else {
document.getElementById("calltelError").style.display = "none";
var pattern = new RegExp("[- +()0-9]+");
var isValid = this.value.search(pattern) >= 0;
if (!(isValid)) {
document.getElementById("calltelErrorTwo").style.display = "block";
} else {
document.getElementById("calltelErrorTwo").style.display = "none";
document.callbackform.phone.setAttribute("class", "ready");
}
}
};
//filling the form
document.callbackform.onkeyup = function() {
var a = document.callbackform.name.getAttribute("class");
var c = document.callbackform.phone.getAttribute("class");
if (a === "ready" && c === "ready") {
document.getElementById("subCallback").removeAttribute("disabled");
document.getElementById("subCallback").style.cursor = "pointer";
} else {
document.getElementById("subCallback").setAttribute("disabled");
document.getElementById("subCallback").style.cursor = "not-allowed";
}
};