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
点击“单击此处”按钮 −
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