How to hide css div content beyond

How to implement the content of css div beyond hiding: 1. Use the css code "overflow: hidden;" to realize the content beyond hiding; 2. Use the js code "var myBox = document.getElementById('demo'); var mydemoHtml = myBox.innerHTML.slice(0, 20) '...';" Just implement the content beyond hiding.

The operating environment of this tutorial: Windows 10 system, css3 version, DELL G3 computer

How to hide the content of css div beyond the limit?

CSS——The overflow part of the text in the div is displayed with ellipses

So that the overflow part of the text in the div is displayed with ellipses, which can be summarized into two solutions One way is to use CSS to solve it, and the other way is to use js to solve it.

1. Display through CSS control

Display one line within the div, and use ellipses to display the excess part

Display multiple lines within the div, and display the excess part with ellipsis Partially displayed with ellipses

Code:

nbsp;html>
    
        <meta>
        <title>例子</title>
        <style>
            /* 单行文字末尾省略号显示 */
            .div1{
                height: 100px;
                width:100px;
                background:green; 
                text-overflow: ellipsis;  /* ellipsis:显示省略符号来代表被修剪的文本  string:使用给定的字符串来代表被修剪的文本*/ 
                white-space: nowrap;   /* nowrap:规定段落中的文本不进行换行   */ 
                overflow: hidden; /*超出部分隐藏*/
            }
            /* 多行文字末尾省略号显示 */
            .div2{
                /* height: 100px; */
                width:100px;
                background:yellowgreen; 
                display: -webkit-box;  /*  display: -webkit-box; 必须结合的属性 ，将对象作为弹性伸缩盒子模型显示  */
                -webkit-box-orient: vertical; /*  -webkit-box-orient 必须结合的属性 ，设置或检索伸缩盒对象的子元素的排列方式  */
                -webkit-line-clamp: 5; /*  -webkit-line-clamp用来限制在一个块元素显示的文本的行数 */
                overflow: hidden;
            }
        </style>
    
    
        <div>
            哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈        </div>
        <div>
            嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿        </div>
    

Running result:

2. Display through js control

Code:

nbsp;html>
    
        <meta>
        <title>实例</title>
        <style>
            .mydiv {
                width: 150px;
                height: 200px;
                background: pink;
            }
        </style>
    
    
        <div>通过js操作的方法显示文字，使得末尾的文字省略号显示</div>
        <script>
            var myBox = document.getElementById(&#39;demo&#39;); //直接用id获取domo对象
            var mydemoHtml = myBox.innerHTML.slice(0, 20) + &#39;......&#39;; // slice() 方法可从已有的数组中返回选定的元素            myBox.innerHTML = mydemoHtml; // 填充到指定位置
        </script>
    

Running results:

Recommended learning: "css video tutorial"

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