JavaScript RegExp toString() 方法

javascriptfront end technologyobject oriented programming

RegExp toString() 方法用于返回正则表达式的字符串值。

以下是 RegExp toString() 方法的代码 −

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;
}
div {
   font-size: 20px;
   font-weight: 500;
}
</style>
</head>
<body>
<h1>JavaScript RegExp toString() method</h1>
<div class="sample">The quick brown fox jumps over the lazy dog</div>
<button class="btn">点击此处</button>
<div class="result"></div>
<h3>Click on the above button to get the string value of regular expression.</h3>
<script>
let fillEle = document.querySelector(".sample");
let result = document.querySelector(".result");
let regex = new RegExp("fox",'g');
document.querySelector(".Btn").addEventListener("click", () => {
   result.innerHTML = regex.toString();
});
</script>
</body>
</html>