JavaScript apply() 함수를 사용하면 다른 객체에서 동일한 메서드를 사용할 수 있습니다. 매개변수는 여기에서 배열로 전달됩니다.
다음은 JavaScript 함수 apply() −
의 코드입니다.예시
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.sample {
font-size: 18px;
font-weight: 500;
}
</style>
</head>
<body>
<h1>JavaScript apply()</h1>
<div class="sample"></div>
<button class="Btn">CLICK HERE</button>
<h3>
Click on the above buttons to check if adult or not
</h3>
<script>
let sampleEle = document.querySelector(".sample");
let obj1 = { name: "Rohan", age: 22 };
function checkAdult(vehicle, country) {
if (this.age > 18) {
sampleEle.innerHTML =this.name +" you are an adult and can drive " + vehicle +
" in " + country;
} else
sampleEle.innerHTML =this.name + " you are an adult and cannot drive " + vehicle +
" in " + country;
}
document.querySelector(".Btn").addEventListener("click", () => {
checkAdult.apply(obj1, ["car", "INDIA"]);
});
</script>
</body>
</html> 출력
여기를 클릭 버튼을 클릭하면 -
