How to use CSS to make single-line or multi-line text overflow and display ellipsis

If you want to realize the overflow display of ellipses in a single line of text, you should all know to use the text-overflow:ellipsis attribute. Of course, you also need to add the width attribute to be compatible with some browsing.

Implementation method:

overflow: hidden;
text-overflow:ellipsis;
white-space: nowrap;

The effect is as shown:

But this attribute only supports a single line The overflow of text displays ellipses. What if we want to implement multi-line text overflow and display ellipses.

Next, let’s focus on the multi-line text overflow display ellipses, as follows.

Implementation method:

display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 3;
overflow: hidden;

The effect is as shown:

Applicable scope:
Due to the use of WebKit’s CSS extended attributes, this method is suitable for WebKit browsers and mobile terminals;

Note:

1. -webkit-line -clamp is used to limit the number of lines of text displayed in a block element. To achieve this effect, it needs to be combined with other WebKit properties. Commonly combined attributes:

2. display: -webkit-box; Attributes that must be combined to display the object as a flexible box model.

3. -webkit-box-orient must be combined with the attribute to set or retrieve the arrangement of the child elements of the flex box object.

Implementation method:

p{position: relative; 
    line-height: 20px; 
    max-height: 40px;
    overflow: hidden;}
p::after{content: "..."; 
    position: 
    absolute; 
    bottom: 0; 
    right: 0; 
    padding-left: 40px;
    background: -webkit-linear-gradient(left, transparent, #fff 55%);
    background: -o-linear-gradient(right, transparent, #fff 55%);
    background: -moz-linear-gradient(right, transparent, #fff 55%);
    background: linear-gradient(to right, transparent, #fff 55%);
    }

The effect is as shown:

## Scope of application: This method has a wide range of applications, but ellipses will also appear when the text does not exceed the line. This method can be optimized with js.

1. Set height to an integer multiple of line-height to prevent excess text from being exposed.

2. Add a gradient background to p::after to prevent only half of the text from being displayed.

3. Since ie6-7 does not display content content, you need to add tags to be compatible with ie6-7 (such as: …); to be compatible with ie8, you need to add: Replace :after with :after.

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