​x
 
<!DOCTYPE html>
<html>
<body>
​
<h1>JavaScript Function bind()</h1>
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<p>此例将尝试在 3 秒后显示人名。</p>
​
<p id="demo"></p>
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<script>
const person = {
  firstName:"Bill",
  lastName: "Gates",
  display: function() {
    let x = document.getElementById("demo");
    x.innerHTML = this.firstName + " " + this.lastName;
  }
}
​
setTimeout(person.display, 3000);
</script>
​
</body>
</html>
​