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<p>我有一個(gè)包含三個(gè)鏈接的數(shù)組，用于在頁(yè)腳中使用的按鈕，當(dāng)我一次又一次按下該按鈕時(shí)，數(shù)組將一一正常工作。。并且每次按下時(shí)都會(huì)顯示一個(gè)鏈接按鈕。那很好。但我想，當(dāng)我點(diǎn)擊按鈕時(shí)，<em>“鏈接”應(yīng)該在“iframe”中打開(kāi)</em> 。。。我使用 iframe 代碼向它們傳遞 src= 按鈕 id 但不起作用。。請(qǐng)?jiān)谙旅娴拇a和幫助。。。我的帶有數(shù)組的按鈕代碼</p> <pre class="brush:php;toolbar:false;"><!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style> 。footer { position: fixed; left: 0; bottom: 0; width: 100%; background-color: red; color: white; text-align: center; } </style> <script> let link = new Array() link[0] = "https://www。clc-uk。org。uk/cms/cms。jsp?menu_id=26131&postcode=AL3+8QE&distance=20" link[1] = "https://www。clc-uk。org。uk/cms/cms。jsp?menu_id=26131&postcode=AL5+3NG&distance=20" link[2] = "https://www。clc-uk。org。uk/cms/cms。jsp?menu_id=26131&postcode=AL4+3NS&distance=20" let intlinkIndex = 0; function writeLink() { if (intlinkIndex >= link。length) { let btn = document。getElementById('btn'); btn。style。display = 'none'; mylink。style。display = 'none'; } document。getElementById('mylink')。innerHTML = '<a href="' + link[intlinkIndex] + '">' + link[intlinkIndex] + '</a>'; intlinkIndex++; } </script> </head> <body> <div class="footer"> <button id="btn" onclick="writeLink();">Click Me</button> <div id="mylink"></div> <br> <iframe id="iframe" src="mylink" width="100%" height="400"></iframe> </div> </body> </html></pre></p>

function writeLink() { if (intlinkIndex >= link.length) { let btn = document.getElementById('btn'); btn.style.display = 'none'; mylink.style.display = 'none'; } document.getElementById('mylink').innerHTML = '<a href="' + link[intlinkIndex] + '">' + link[intlinkIndex] + '</a>'; document.getElementById('iframe').src = link[intlinkIndex]; intlinkIndex++; }

<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style> .footer { position: fixed; left: 0; bottom: 0; width: 100%; background-color: red; color: white; text-align: center; } </style> <script> let link = new Array() link[0] = "https://www.clc-uk.org.uk/cms/cms.jsp?menu_id=26131&postcode=AL3+8QE&distance=20" link[1] = "https://www.clc-uk.org.uk/cms/cms.jsp?menu_id=26131&postcode=AL5+3NG&distance=20" link[2] = "https://www.clc-uk.org.uk/cms/cms.jsp?menu_id=26131&postcode=AL4+3NS&distance=20" let intlinkIndex = 0; function writeLink() { if (intlinkIndex >= link.length) { let btn = document.getElementById('btn'); btn.style.display = 'none'; mylink.style.display = 'none'; } document.getElementById('mylink').innerHTML = '<a href="' + link[intlinkIndex] + '">' + link[intlinkIndex] + '</a>'; document.getElementById('iframe').src = link[intlinkIndex]; intlinkIndex++; } </script> </head> <body> <div class="footer"> <button id="btn" onclick="writeLink();">Click Me</button> <div id="mylink"></div> <br> <iframe id="iframe" src="mylink" width="100%" height="400"></iframe> </div> </body> </html>