gpt4 book ai didi

Javascript:从文本框中获取值并将其添加到 div

转载 作者:太空宇宙 更新时间:2023-11-03 23:14:36 26 4
gpt4 key购买 nike

所以我一直在绞尽脑汁想如何将文本框的不同值添加到不同的div。所以 div1 得到用户输入的第一个东西,div2 得到第二个,div3 得到第三个,等等。每次用户按下“添加”按钮时,用户键入的任何内容都将添加到其上方的 Div 之一。现在我通过按“添加”将文本框的值放在第一个 div 中。如何创建一个允许用户向其他 div 添加值的函数。我假设您需要一个 for 循环,但我不知道如何解决它。

这是我的代码:

<html>
<head>
<link rel="stylesheet" type="text/css" href="newTicket2.0.css">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
</head>


<div id="colorme" style = "cursor:pointer" onClick= "highlightLink()"><p id = "doubleStuff" ondblclick = "dubleStuff()">check this out</p></div>
<div id="colorme2" style = "cursor:pointer" onClick= "highlightLink2()"><p id = "doubleStuff2" ondblclick = "dubleStuff2()">check this out</p></div>

<p id = "putstuff"></p>
<br>
<br>
<br>
<br>
<div id = "workInfo1" style = "cursor:pointer"><p id = "addingInfo"></p> </div>
<div id = "workInfo12" style = "cursor:pointer"><p id = "addingInfo1"></p> </div>
<div id = "workInfo13" style = "cursor:pointer"><p id = "addingInfo2"></p></div>
<div id = "workInfo14" style = "cursor:pointer"><p id = "addingInfo3"></p></div>
<br>
<br>
<textarea name="workInfo" cols="60" rows="5" id="workInfo">
</textarea>
<button type = "button" name = "addWorkInfo" id = "addWorkInfo" onclick = "workInfoAdd()">Add</button>
<script>
function highlightLink(){
var highL = document.getElementById('colorme');
var highL2 = document.getElementById('colorme2');
highL.style.backgroundColor = 'red';
highL2.style.backgroundColor = 'transparent';
};
function highlightLink2(){
var highL = document.getElementById('colorme');
var highL2 = document.getElementById('colorme2');
highL.style.backgroundColor = 'transparent';
highL2.style.backgroundColor = 'red';
};
function dubleStuff(){
var x = "You double clicked it";
document.getElementById('putstuff').innerHTML = x;
};
function dubleStuff2(){
var x = "different stuff";
document.getElementById('putstuff').innerHTML = x;
};
function workInfoAdd(){
var z = document.getElementById('workInfo')
document.getElementById('addingInfo').innerHTML = z.value

if (z.value === null || z.value === ""){
alert('please enter work info');
}
else {
z.value = "";
}
};
</script>
</body>
</html>

这样的东西行得通吗?

  var i = document.getElementById('addingInfo');
for(i = 0; i < 4; i++){
document.getElementbyId('workInfo').value = i //or some other variable that specifies the "adding info"

如有任何帮助,我们将不胜感激。如上所述,每次用户按下 ADD 后,他们在文本框中输入的值将被添加到后续的 div 中。第一个添加到第一个 div,第二个添加到第二个 div,依此类推。

最佳答案

你可能应该这样写:

var divIndex = 0;

function workInfoAdd() {

var z = document.getElementById('workInfo');
var p = document.getElementById('addingInfo' + (divIndex || ''));
if (!p) {
return;
}

if (z.value === null || z.value === "") {
alert('please enter work info');
} else {
p.innerHTML = z.value;
z.value = "";
}

divIndex++;
};
<div id="workInfo1" style="cursor:pointer;border: dotted 1px">
<p id="addingInfo"></p>
</div>
<div id="workInfo12" style="cursor:pointer;border: dotted 1px">
<p id="addingInfo1"></p>
</div>
<div id="workInfo13" style="cursor:pointer;border: dotted 1px">
<p id="addingInfo2"></p>
</div>
<div id="workInfo14" style="cursor:pointer;border: dotted 1px">
<p id="addingInfo3"></p>
</div>
<br>
<br>
<textarea name="workInfo" cols="60" rows="5" id="workInfo">
</textarea>
<button type="button" name="addWorkInfo" id="addWorkInfo" onclick="workInfoAdd()">Add</button>

此外,您可以使用 document.querySelector() 来更高级地匹配元素 ex。

var p = document.querySelector('.workInfo' + divIndex + ' > p.addingInfo' + divIndex);

关于Javascript:从文本框中获取值并将其添加到 div,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31134833/

26 4 0
Copyright 2021 - 2024 cfsdn All Rights Reserved 蜀ICP备2022000587号
广告合作:1813099741@qq.com 6ren.com