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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Sending forms with FormData – MDN</title>
<script type="text/javascript">
"use strict";
function ajaxSuccess () {
alert(this.responseText);
}
function AJAXSubmit (oFormElement) {
if (!oFormElement.action) { return; }
var oReq = new XMLHttpRequest();
oReq.onload = ajaxSuccess;
if (oFormElement.method.toLowerCase() === "post") {
oReq.open("post", oFormElement.action, true);
oReq.send(new FormData(oFormElement));
} else {
var oField, sFieldType, nFile, sSearch = "";
for (var nItem = 0; nItem < oFormElement.elements.length; nItem++) {
oField = oFormElement.elements[nItem];
if (!oField.hasAttribute("name")) { continue; }
sFieldType = oField.nodeName.toUpperCase() === "INPUT" ? oField.getAttribute("type").toUpperCase() : "TEXT";
if (sFieldType === "FILE") {
for (nFile = 0; nFile < oField.files.length; sSearch += "&" + escape(oField.name) + "=" + escape(oField.files[nFile++].name));
} else if ((sFieldType !== "RADIO" && sFieldType !== "CHECKBOX") || oField.checked) {
sSearch += "&" + escape(oField.name) + "=" + escape(oField.value);
}
}
oReq.open("get", oFormElement.action.replace(/(?:\?.*)?$/, sSearch.replace(/^&/, "?")), true);
oReq.send(null);
}
}
</script>
</head>
<body>
<h1>Sending forms with FormData</h1>
<h2>Using the GET method</h2>
<form action="register.php" method="get" onsubmit="AJAXSubmit(this); return false;">
<fieldset>
<legend>Registration example</legend>
<p>
First name: <input type="text" name="firstname" /><br />
Last name: <input type="text" name="lastname" />
</p>
<p>
<input type="submit" value="Submit" />
</p>
</fieldset>
</form>
<h2>Using the POST method</h2>
<h3>Enctype: application/x-www-form-urlencoded (default)</h3>
<form action="register.php" method="post" onsubmit="AJAXSubmit(this); return false;">
<fieldset>
<legend>Registration example</legend>
<p>
First name: <input type="text" name="firstname" /><br />
Last name: <input type="text" name="lastname" />
</p>
<p>
<input type="submit" value="Submit" />
</p>
</fieldset>
</form>
<h3>Enctype: text/plain</h3>
<p>The text/plain encoding is not supported by the FormData API.</p>
<h3>Enctype: multipart/form-data</h3>
<form action="register.php" method="post" enctype="multipart/form-data" onsubmit="AJAXSubmit(this); return false;">
<fieldset>
<legend>Upload example</legend>
<p>
First name: <input type="text" name="firstname" /><br />
Last name: <input type="text" name="lastname" /><br />
Sex:
<input id="sex_male" type="radio" name="sex" value="male" /> <label for="sex_male">Male</label>
<input id="sex_female" type="radio" name="sex" value="female" /> <label for="sex_female">Female</label><br />
Password: <input type="password" name="secret" /><br />
What do you prefer:
<select name="image_type">
<option>Books</option>
<option>Cinema</option>
<option>TV</option>
</select>
</p>
<p>
Post your photos:
<input type="file" multiple name="photos[]">
</p>
<p>
<input id="vehicle_bike" type="checkbox" name="vehicle[]" value="Bike" /> <label for="vehicle_bike">I have a bike</label><br />
<input id="vehicle_car" type="checkbox" name="vehicle[]" value="Car" /> <label for="vehicle_car">I have a car</label>
</p>
<p>
Describe yourself:<br />
<textarea name="description" cols="50" rows="8"></textarea>
</p>
<p>
<input type="submit" value="Submit" />
</p>
</fieldset>
</form>
</body>
</html> |
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