JavaScript compile() 方法
JavaScript compile() 方法用于在脚本执行期间编译正则表达式。它在 JavaScript 1.5 版本中弃用。
以下是 JavaScript compile() 方法的代码 −
示例
<!DOCTYPE html> <html> <head> <style> body { font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif; } </style> </head> <body> <h1>compile() Method</h1> <p class="sample"> That man won the race and the woman over there came second </p> <h3>After compile()</h3> <p class="result"></p> <button class="Btn">Click Here</button> <h3>Click the above button to use compile the regex to make changes</h3> <script> let sampleEle = document.querySelector(".sample"); let result = document.querySelector(".result"); document.querySelector(".Btn").addEventListener("click", () => { var str = sampleEle.innerHTML; var pattern = /man/g; var str2 = str.replace(pattern, "person"); result.innerHTML = str2 + "<br>"; pattern = /(wo)?man/g; pattern.compile(pattern); str2 = str.replace(pattern, "person"); result.innerHTML += str2; }); </script> </body> </html>
输出
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