引用自身內部的 JavaScript 函式
以下是引用自身內部的 JavaScript 函式的程式碼 −
示例
<!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;
}
.result {
font-size: 20px;
font-weight: 500;
color: blueviolet;
}
</style>
</head>
<body>
<h1>Referring JavaScript function from within itself</h1>
<div class="result"></div>
<br />
<button class="Btn">Click Here</button>
<h3>Click on the above button to call the printHello() function</h3>
<script>
let resEle = document.querySelector(".result");
let BtnEle = document.querySelector(".Btn");
function printHello(num) {
for (let i = 0; i < num; i++) {
resEle.innerHTML += "Hello World <br>";
printHello(--num);
}
}
BtnEle.addEventListener("click", () => {
printHello(3);
});
</script>
</body>
</html>輸出

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