如何在 JavaScript 中向匿名函式傳遞引數?
以下是 JavaScript 中向匿名函式傳遞引數的程式碼 -
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-weight: 500;
font-size: 20px;
color: blueviolet;
}
</style>
</head>
<body>
<h1>Pass arguments to anonymous functions</h1>
<div class="result"></div>
<br />
<button class="Btn">CLICK HERE</button>
<h3>Click on the above button to call an anonymous function and pass
parameters to it</h3>
<script>
let BtnEle = document.querySelector(".Btn");
let resEle = document.querySelector(".result");
let add = function (a, b) {
return a + b;
};
BtnEle.addEventListener("click", (event) => {
resEle.innerHTML = "The sum of 22 and 19 = " + add(22, 19);
});
</script>
</body>
</html>輸出

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