代码示例:(标识:eg_js_error_syntaxerror)
<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 异常</h1>

<p>您无法评估包含语法错误的代码:</p>

<p id="demo"></p>

<script>
try {
  eval("alert('Hello)");
}
catch(err) {
  document.getElementById("demo").innerHTML = err.name;
}
</script>

</body>
</html>
运行结果: