<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style> *{ margin: 0;padding: 0; } .box1{ width: 1000px; height: 50px; margin: 100px auto; text-align: center; } .word{ width: 300px; height: 30px; } ul{ width: 400px; margin: 100px auto; } .btn{ margin-left: 20px; } </style> </head> <body> <div class="box1"> <input type="text" class="word"> <input type="button" value="点击" class="btn"> </div> <ul></ul> <script> var word = document.getElementsByClassName("word")[0]; var ul = document.getElementsByTagName("ul")[0]; var btn = document.getElementsByClassName("btn")[0]; btn.addEventListener("click",fn); function fn() { var oli = document.createElement("li"); ul.appendChild(oli); oli.innerText = word.value word.value="" } document.onkeydown=function (ev) { var ev=window.event||ev; // var keyCode = ev.keyCode; if(ev.altKey&&ev.keyCode==13){ var oli = document.createElement("li"); ul.appendChild(oli); oli.innerText = word.value word.value="" } } </script> </body> </html>
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