max attribute | max property

Defines the maximum, or "done" value for a progress element.

This property is read/write.

HTML5 A vocabulary and associated APIs for HTML and XHTML, Section 4.10.16

Syntax

HTML
<element max="fMax" ... >

JavaScript
object.max = fMax fMax = object.max

Property values

Type: Floating-point

A positive number.

Standards information

HTML5 A vocabulary and associated APIs for HTML and XHTML, Section 4.10.16

Remarks

The following example displays a progress bar with a max value of 100.

Note For more code samples, see Form controls part 1 and Form controls part 2: validation on the Windows Internet Explorer sample site.

Examples

HTML


<html>
<head>
    <title>Progress bar example</title>
    <style type="text/css">
    #pbar
    {
        /* style the progress bar */
        border: 1px solid black;
        color: Blue;
        background-color:Yellow;
        }
    </style>

    <script type="text/javascript">
        function goingUp() {
            // add 5% to value
            var pBar = document.getElementById("pbar");
            if (pBar.value <= (pBar.max - 5)) {
                pbar.value += 5;
            }
            checkStatus();
        }

        function checkStatus() {
            // Shows position and value
            // -1 for indeterminate, otherwise current value divided by max.
            var pBar = document.getElementById("pbar");
            document.getElementById("positionStatus").innerHTML = "Value: " + pBar.value;
            document.getElementById("positionStatus").innerHTML += "<br/>Position: " + pBar.position.toFixed(3);
        }

        function toggle() {
            var pBar = document.getElementById("pbar");
            if (pBar.hasAttribute("value")) {
                //  Removing the value attribute makes the progress bar indeterminate
                pBar.removeAttribute("value");
                document.getElementById("tgl").innerHTML = "Make determinate";
            } else {
                //  Setting the value attribute makes the progress bar determinate
                pBar.value = 5;
                document.getElementById("tgl").innerHTML = "Make indeterminate";
            }
            checkStatus();
        }

</script>
</head>
<body onload="checkStatus();">
<h1>Progress bar test</h1>
  <p>Click Up to change to a determinate bar and use buttons move the progress up or down by 5% increments.</p>
  <div>
    <label id="progLabel">Progress: <progress id="pbar" max="100">Put alternate display here</progress></label>
    <button onclick="goingUp();">Up</button>
    <button id= "tgl" onclick="toggle();">Make determinate</button>
</div>
<div id="positionStatus"></div>
</body>
</html>