Was this page helpful?
Your feedback about this content is important. Let us know what you think.
Additional feedback?
1500 characters remaining
Export (0) Print
Expand All
all
alt
ch
dir
id
min
rel
top
url
URL
urn
Expand Minimize

customError property

Returns whether the input field has raised a custom error.

This property is read-only.

HTML5 A vocabulary and associated APIs for HTML and XHTML, Section 4.10.21.3Internet Explorer 10

 

Syntax

JavaScript
bCustomError = object.customError

 

Property values

Type: boolean

True if an error has been raised that was set by the setCustomValidity method.

Standards information

Remarks

The following example displays all validation states for a validated field.

Examples


<!DOCTYPE html >
<html>
<head>
    <title>Valid states example</title>
    <script type="text/javascript">
        function getState() {
            var oState = document.getElementById("myField");
            var myState = oState.validity;
            var display = document.getElementById("showState");
            display.innerHTML = "";
            for (var t in myState) {
                display.innerHTML += (t + ": " + myState[t] + "<br/>");    //loop through attributes
            }
        }
    </script>
</head>
<body onload="getState();">
<h1>ValidState test</h1>
<div>The required text field only takes numbers between 4 and 20 in even increments. <br /><br />
Try different numbers to see how the validityState attributes react.</div>
<br />
<div><label>Enter a number from 4 to 20: 
<input id="myField" type="number" required  min="4" max ="20" step="2" />
<button onclick="getState();">Check state</button></label></div>

<div id="showState"></div>

</body>
</html>


See also

ValidityState

 

 

Show:
© 2015 Microsoft