我正在尝试在输入达到 7 个字符时自动提交表单。我尝试了一些 java 脚本代码,但它破坏了我的脚本功能。
任何人都可以帮助我吗.....
<script type="text/javascript">
var url = "GetCustomerData.php?id="; // The server-side script
function handleHttpResponse() {
if (http.readyState == 4) {
if(http.status==200) {
var results=http.responseText;
document.getElementById('divCustomerInfo').innerHTML = results;
}
}
}
function requestCustomerInfo() {
var sId = document.getElementById("txtCustomerId").value;
http.open("GET", url + escape(sId), true);
http.onreadystatechange = handleHttpResponse;
http.send(null);
}
function getHTTPObject() {
var xmlhttp;
if(window.XMLHttpRequest){
xmlhttp = new XMLHttpRequest();
}
else if (window.ActiveXObject){
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
if (!xmlhttp){
xmlhttp=new ActiveXObject("Msxml2.XMLHTTP");
}
}
return xmlhttp;
}
var http = getHTTPObject(); // We create the HTTP Object
</script>
<form id="form_home">
<p>Enter customer ID number to retrieve information:</p>
<p>Customer ID: <input type="text" maxlength="7" id="txtCustomerId" value="" /></p>
<p><input type="submit" value="Submit" onclick="requestCustomerInfo()" /></p>
</form>
<div id="divCustomerInfo"></div>