In JavaScript error message property is used to set or return the error message.
Syntax:
errorObj.message
Return Value: It returns a string, representing the details of the error. More example codes for the above property are as follows:
Below is the example of the Error message property.
Example 1:
JavaScript
try {
allert("A computer science portal");
} catch(err) {
document.write(err.message);
} |
Output:
allert is not defined
Example 2: This example does not contains any error so it does not display error message.
html
<!DOCTYPE html> <html>
<body style="text-align: center;">
<h1 style="color: green;">
GeeksforGeeks
</h1>
<h3>
JavaScript Error Message Property
</h3>
<p id="gfg"></p>
<script>
try {
alert("A computer science portal");
}
catch(err) {
document.getElementById("gfg").innerHTML
= err.message;
}
</script>
</body>
</html>
|
Output:
Example 3: This example displays an error message when use misspelled ‘alert’ statement.
html
<!DOCTYPE html> <html>
<body style="text-align: center;">
<h1 style="color: green;">
GeeksforGeeks
</h1>
<h3>
JavaScript Error Message Property
</h3>
<p id="gfg"></p>
<script>
try {
popup("A computer science portal");
}
catch(err) {
document.getElementById("gfg").innerHTML
= err.message;
}
</script>
</body>
</html>
|
Output:
Supported Browsers: The browser supported by JavaScript Error Message Property are listed below:
- Google Chrome
- Firefox
- Internet Explorer
- Opera
- Safari