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我想驗證每個動態文本框,以便在每個文本框中輸入輸入(pid)時,輸入將傳遞到ajax,並且如果personName位於數據庫中,並且如果DB的personName與personName在另一個文本框中。但我不確定如何去做。這是我的示例檢查。如何使用javascript ajax驗證每個文本框?
的Javascript:
function validateTextbox() {
var pName = document.getElementsByClassName("personNameStatic");
var pNameVal = pName[0].value;//value of personName in another textbox
var pn = document.getElementsByClassName("personName"); //person name which will be passed to an ajax to get personName from DB
for (var i = 0; i < pn.length; i++) {
var pnval = pn[i].value;
$.ajax({
//ajax here
success: function(data) {
var personName = data.pName;
if (pNameVal == personName){ //compare pNameVal (from another textbox) to personName (coming from DB)
alert("Name is valid.");
}else{
alert ("Name is invalid");
}
},//END: success
});//END: ajax
}
}
HTML:
<td><input type="text" name="personName" id="personId-1" class="personName" size="30"/></td> //textbox which inputs the pid
<td><input type="text" name="personName" id="personId-2" class="personName" size="30"/></td> //textbox which inputs the pid
<td><input type="text" name="personName" id="personId-3" class="personName" size="30"/></td> //textbox which inputs the pid
<td><input type='text' id='personIdstatic' class='personNameStatic' size='30' value='John' disabled /></td>
請如何驗證每一個文本框幫助嗎?由於