1, the content does not exceed the display empty scroll bar
<div class= "Div1" >
Front-end developer front-end developer front-end developer front-end developer
</div>
CSS code:
. div1{
width:200px;
height:300px;
Overflow-y:scroll;
}
2, the content is beyond the scroll bar showing the slider
<div class= "Div1" >
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</div>
CSS code:
. div1{
width:200px;
height:100px;
Overflow-y:scroll;
}
CSS always displays scroll bars, content is outside the scroll bar that shows the slider, the content does not exceed the display empty scroll bar