如下是留言提交源码
功能：点击按钮或点击enter键可以提交内容
扩展：ctrlKey\shiftKey\altKye
可以将如上三个参数与oEvent.keyCode == 13 进行与操作
可以得到 点击ctrl+enter等操作才能提交内容
<!DOCTYPE html>
<html lang="en">
<head>
???<meta charset="UTF-8">
???<title>Title</title>
</head>
<script>
???window.onload = function () {
???????var oText1 = document.getElementById(‘text1‘);
???????var oText2 = document.getElementById(‘text2‘);
???????var obtn1 = document.getElementById(‘btn1‘);
???????obtn1.onclick = function () {
???????????oText1.value += oText2.value +‘\n‘;
???????????oText2.value = null;
???????};
???????oText2.onkeydown = function (ev) {
???????????var oEvent = ev||event;
???????????if(oEvent.keyCode == 13){
???????????????oText1.value +=oText2.value +‘\n‘;
???????????????oText2.value = null;
???????????}
???????};
???}
</script>
<body>
???<textarea id="text1" ?rows="10" cols="40">
???</textarea>
???<input id="text2" type="text">
???<button id="btn1">留言</button>
</body>
</html>
js 做留言提交
原文地址：https://www.cnblogs.com/xuwebdesign/p/10398371.html