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javascript - 当向其中添加更多元素时,插入到 div block 中的表会水平重叠

转载 作者:行者123 更新时间:2023-11-28 03:08:26 26 4
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我正在使用 DRAG 和 DROP 选项在具有适当样式的代码的 div 部分。当我调整窗口大小时,表格也会调整大小,这意味着它工作正常。

但是当表格中的元素数量越来越多时,它会在水平方向上扩展,即使只有 66.67% 的窗口被提供给该 div 元素也是如此。

这是我的代码:

    <div class = "container">
<div class="row" >

<div class="col-md-8" >

<h1 >Selected Courses</h1>
<table width = "100%" order="5" cellspacing=0 cellpadding=5>

<tr>
<td width="100%" id="red" ondrop="dropIt(this, event)" ondragenter="return false" ondragover="return false">
<span draggable="true" id="lt1" ondragstart="dragIt(this, event)"><rc>RC</rc></span>
</td>
</tr>

</table>

</div>


<div class="col-md-4" >
<h1 >Select Your Courses</h1>

<table width = "100%" border="5" cellspacing=0 cellpadding=5>
<tr>

<td valign="bottom" align="left" id="holder" ondrop="dropIt(this, event)" ondragenter="return false" ondragover="return false">
<span draggable="true" id="lt" ondragstart="dragIt(this, event)"><cse>CSE114</cse></span>
<span draggable="true" id="srv" ondragstart="dragIt(this, event)"><ams>AMS151 </ams></span>
<span draggable="true" id="mf" ondragstart="dragIt(this, event)"><cse class = "tooltip">CSE214<span class = "classic"><sp>An extension of programming </sp>methodology to data storage and manipulation on complex data sets. Topics include: programming and applications of data structures; stacks, queues, lists, binary trees, heaps, priority queues, balanced trees and graphs. Recursive programming is heavily used. Fundamental sorting and searching algorithms are examined along with informal efficiency comparisons.</span></cse></span>
<span draggable="true" id="ids" ondragstart="dragIt(this, event)"><wrt>WRT101</wrt></span>
<span draggable="true" id="pc" ondragstart="dragIt(this, event)"><ams>PHY131</ams></span>
<span draggable="true" id="ltt" ondragstart="dragIt(this, event)"><ams>PHY133</ams></span>
<span draggable="true" id="srvv" ondragstart="dragIt(this, event)"><ams>AMS161</ams></span>
<span draggable="true" id="idss" ondragstart="dragIt(this, event)"><cse>CSE215</cse></span>
<span draggable="true" id="pcc" ondragstart="dragIt(this, event)"><ams>PHY132</ams></span>
<span draggable="true" id="pccc" ondragstart="dragIt(this, event)"><ams>PHY134</ams></span>
<span draggable="true" id="ids1" ondragstart="dragIt(this, event)"><wrt>WRT102</wrt></span>

</td>

</tr>
</table>
</div>
</div>
</div>

enter image description here

元素正在从右框添加到左框。在这种情况下,当左框中的元素数量越来越多时,它也获得了右框的位置。

这是用于拖放的代码。

    <script>
function dragIt(target, e) {
e.dataTransfer.setData('SpanImg', target.id);
}
function dropIt(target, e) {
var id = e.dataTransfer.getData('SpanImg');
target.appendChild(document.getElementById(id));
e.preventDefault();
}
function trashIt(target, e) {
var id = e.dataTransfer.getData('SpanImg');
removeElement(id);
e.preventDefault();
}
function removeElement(id) {
var d_node = document.getElementById(id);
d_node.parentNode.removeChild(d_node);
}
</script>

CSS代码

    .title {
color: rgb(0, 207, 255);
}

.description { /* description is a class */
color: rgb(0, 0, 0);
max-width: 705px; /*color attribute*/
}

.screenshot { /* description is a class */
color: red;
max-width: 460px; /*color attribute*/
}

.app {
display: -webkit-flex;
display: flex;
}

text {
font-size: 10px;
}
/*
* {
outline: 1px solid red !important;
}

*/
* {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
-ms-box-sizing: border-box;
box-sizing: border-box;
}

table, td
{
border-color: #e6e6e6;
border-style: solid;
}

cse {
font-family: inherit;
font-size: 2em;
color: white;
padding: 3px 3px 3px 3px;
margin: 0.37em 0.37em 0.37em 0.37em;
font-weight: 500;
line-height: 1.5;
/*outline: 1px solid DeepSkyBlue;*/
background-color: rgba(192,0,0,1);
border-radius: 5px;
}

ams {
font-family: inherit;
font-size: 2em;
color: white;
padding: 3px 3px 3px 3px;
margin: 0.37em 0.37em 0.37em 0.37em;
font-weight: 500;
line-height: 1.5;
/*outline: 1px solid DeepSkyBlue;*/
background-color: rgba(128,100,162,1);
border-radius: 5px;
}

wrt {
font-family: inherit;
font-size: 2em;
color: white;
padding: 3px 3px 3px 3px;
margin: 0.37em 0.37em 0.37em 0.37em;
font-weight: 500;
line-height: 1.5;
/*outline: 1px solid DeepSkyBlue;*/
background-color: rgba(155,187,89,1);
border-radius: 5px;
}

rc {
font-family: inherit;
font-size: 2em;
color: white;
padding: 3px 3px 3px 3px;
margin: 0.37em 0.37em 0.37em 0.37em;
font-weight: 500;
line-height: 1.5;
/*outline: 1px solid DeepSkyBlue;*/
background-color: rgba(79,129,189,1);
border-radius: 5px;
}

sp{
font-size: 1.6em;
}

cse:hover {
background-color: rgba(192,0,0,0.4);
font-size: 2em;

}
wrt:hover {
background-color: rgba(155,187,89,0.4);
font-size: 2em;

}
ams:hover {
background-color: rgba(128,100,162,0.4);
font-size: 2em;

}
rc:hover {
background-color: rgba(79,129,189,0.4);
font-size: 2em;

}
.tooltip {

outline: none;
cursor: help;
text-decoration: none;
position: relative;
}
.tooltip span {
margin-left: -600em;
position: absolute;
}
.tooltip:hover span {
border-radius: 10px 10px;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
box-shadow: 10px 10px 10px rgba(0, 0, 0, 0.1);
-webkit-box-shadow: 10px 10px rgba(0, 0, 0, 0.1);
-moz-box-shadow: 10px 10px rgba(0, 0, 0, 0.1);
font-family: Calibri, Tahoma, Geneva, sans-serif;
position: absolute;
left: 1em;
top: 3em;
z-index: 99;
margin-left: -90px;
width: 300px;
font-size: 0.4em;
color: white;
background-color: DeepSkyBlue;
}
.tooltip:hover img {
border: 0; margin: -10px 0 0 -55px;
float: left; position: absolute;
}
.tooltip:hover em {
font-family: Candara, Tahoma, Geneva, sans-serif;
font-size: 1em;
font-weight: bold;
display: block;
padding: 0.2em 0 0.6em 0;
}
.classic { padding: 0.8em 1em; }
.custom { padding: 0.5em 0.8em 0.8em 2em; }

.classic {background: #FFFFAA; border: 1px solid #FFAD33; }

最佳答案

只需添加此行,一切正常..

DEMO HERE

td span{
float:left;
}

基本上你需要保持你添加的 spans float 到 left

关于javascript - 当向其中添加更多元素时,插入到 div block 中的表会水平重叠,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31604971/

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