我还不是一个程序员,但我真的想制作一个使用Javascript随机选择字符的文本框,然后将这些字符输出到HTML文本字段中,边上有一个按钮来复制字符那个文本字段。 Here is a picture of what I am looking for
我在互联网上发现了几个代码片段,但我不确定如何将它们放在一起。如果你能帮助我,我会非常感激!
如果你只是路过,我希望你度过美好的一天!
HTML
<input type="text" value="Hello World" id="myInput">
<button onclick="myFunction()">Copy text</button>
CSS
.tooltip {
position: relative;
display: inline-block;
}
.tooltip .tooltiptext {
visibility: hidden;
width: 140px;
background-color: #555;
color: #fff;
text-align: center;
border-radius: 6px;
padding: 5px;
position: absolute;
z-index: 1;
bottom: 150%;
left: 50%;
margin-left: -75px;
opacity: 0;
transition: opacity 0.3s;
}
.tooltip .tooltiptext::after {
content: "";
position: absolute;
top: 100%;
left: 50%;
margin-left: -5px;
border-width: 5px;
border-style: solid;
border-color: #555 transparent transparent transparent;
}
.tooltip:hover .tooltiptext {
visibility: visible;
opacity: 1;
}
JAVASCRIPT(用于“复制到剪贴板”按钮)
function myFunction() {
var copyText = document.getElementById("myInput");
copyText.select();
document.execCommand("Copy");
alert("Copied the text: " + copyText.value);
}
JAVASCRIPT(对于随机字符生成器) (现在它只在控制台日志中显示它)
var randomString = function(length) {
var text = "";
var possible = "QWERTYUIOPASDFGHJKLZXCVBNMqwertyuiopasdfghjklzxcvbnm1234567890!?";
for(var i = 0; i < length; i++) {
text += possible.charAt(Math.floor(Math.random() * possible.length));
}
return text;
}
var rs = randomString(10);
console.log("Our Random String Is: " + rs);
答案 0 :(得分:0)
创建一个copyText函数,您可以将生成的字符串发送到:
const input = document.querySelector('input');
function copyText(text) {
input.value = text;
input.select();
document.execCommand("Copy");
console.log("Copied");
}
const randomString = function(length) {
let text = "";
const possible = "QWERTYUIOPASDFGHJKLZXCVBNMqwertyuiopasdfghjklzxcvbnm1234567890!?";
for(let i = 0; i < length; i++) {
text += possible.charAt(Math.floor(Math.random() * possible.length));
}
return text;
}
input.addEventListener('click', () => {
const rs = randomString(10);
copyText(rs);
});
<input>
(由于浏览器安全性,您必须单击事件的输入)