HTML Standard attribute: maxlength
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The HTML maxlength attribute specifies the maximum
number of characters allowed in an <input> or <textarea> element.
Valid attribute
values (when used with <input> and <textarea> elements)
include:
|
Value
|
Description
|
|
integer
|
Maximum number of
characters allowed to be inputted using element
|
EXAMPLE:
HTML USED IN THIS EXAMPLE:
<!DOCTYPE html>
<html> <!-- Copyright (c) Nematrian Limited 2018 -->
<head></head>
<body>
Created using HTML: (input limited to 6 characters, try adding more than this)<br>
<form action="http://www.nematrian.com/ExpressionEvaluator.aspx">
<input type="text" name="expr" value="3*5" maxlength="6"><br>
<input type="submit" value="Go to webpage to evaluate">
</form>
<br>Created using JavaScript: (input limited to 6 characters, try adding more than this)<br>
<span id="element"></span>
<script>
var f = document.createElement("FORM");
f.setAttribute("action","http://www.nematrian.com/ExpressionEvaluator.aspx");
var x1 = document.createElement("INPUT");
x1.setAttribute("type","text");
x1.setAttribute("name","expr");
x1.setAttribute("value","3*5");
x1.setAttribute("maxlength","6");
var br1 = document.createElement("BR");
var x2 = document.createElement("INPUT");
x2.setAttribute("type","submit");
x2.setAttribute("value","Go to webpage to evaluate");
f.appendChild(x1);
f.appendChild(br1);
f.appendChild(x2);
document.getElementById("element").appendChild(f);
</script>
</body>
</html>
|
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