JavaScript 全局属性
JavaScript 中的全局属性根据是否设置了“g”修饰符返回 true 或 false。
以下是 JavaScript 全局属性的代码 −
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;
}
.sample,.result {
font-size: 18px;
font-weight: 500;
}
</style>
</head>
<body>
<h1>JavaScript global Property</h1>
<div class="sample">Some random text inside a div<br></div>
<div style="color:red" class="result"></div>
<button class="Btn">CLICK HERE</button>
<h3>
Click on the above button to check if the 'g' modifier is set or not
</h3>
<script>
let sampleEle = document.querySelector(".result");
let pattern = /random/g;
let result = pattern.global;
document.querySelector(".Btn").addEventListener("click", () => {
if(result) sampleEle.innerHTML += 'The g modifier has been set';
else sampleEle.innerHTML += 'The g modifier has not been set';
});
</script>
</body>
</html>输出

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