JavaScript 源属性
JavaScript 源属性返回与给定模式要匹配的正则表达式文本。
以下是源属性的代码 −
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; color: red; } .result { color: rebeccapurple; } </style> </head> <body> <h1>JavaScript source property</h1> <div class="sample">The king bought a ring</div> <div class="result"></div> <button class="Btn">CLICK HERE</button> <h3> Click on the above button to get the regex source text </h3> <script> let resultEle = document.querySelector(".result"); let pattern = /ing/gi; document.querySelector(".Btn").addEventListener("click", () => { resultEle.innerHTML = "Regexp text = " + pattern.source; }); </script> </body> </html>
输出
单击“单击此处”按钮 −
广告