JavaScript - 从 URL 中了解 GET 参数的值
要在 JavaScript 中了解 URL 中 GET 参数的值,代码如下 −
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 { font-size: 18px; font-weight: 500; color: red; } </style> </head> <body> <h1>GET parameters from URL</h1> <div class="sample">https://www.google.com?imageSize=440&color=blue</div> <div style="font-weight: bold;" class="result"></div> <button class="Btn">CLICK HERE</button> <h3> Click on the above button to get the imageSize and color value from the above URL </h3> <script> let sampleEle = document.querySelector(".sample"); let resultEle = document.querySelector(".result"); var url = new URL(sampleEle.innerText); var urlParams = url.searchParams; var imageSize = urlParams.get("imageSize"); var color = urlParams.get("color"); document.querySelector(".Btn").addEventListener("click", () => { resultEle.innerHTML += 'Image size = ' + imageSize + '<br>' + 'Image color = ' + color; }); </script> </body> </html>
输出
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