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HTML DOM Style borderTopLeftRadius property

Style Object Reference Style Objects

Examples

Adding to the upper left corner of the div element rounded borders:

document.getElementById("myDIV").style.borderTopLeftRadius="25px";

try it"

Definition and Usage

borderTopLeftRadius property sets or returns the shape of the upper left corner of the border.

Tip: This attribute allows you to add rounded corners to the elements!


Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

IE9 +, Firefox, Chrome, Safari and Opera support borderTopLeftRadius property.


grammar

Back borderTopLeftRadius properties:

object .style.borderTopLeftRadius

Setting borderTopLeftRadius properties:

object .style.borderTopLeftRadius="length|%[length|%]|initial|inherit"

Note: The two values border-top-left-radius length or percentage defined radius of a quarter ellipse that defines the shape of the outer corner of the border edges.The first value is the horizontal radius, and the second value is the vertical radius. If the second value is omitted, the first value is copied. If two lengths are 0, then the angle is square, not round. Percentage horizontal radius is relative to the width of the bounding box, and the percentage is relative to the radius of the vertical height of the bounding box.

Property Value

描述
length 定义左上角的形状。
% 以 % 形式定义左上角的形状。
initial 设置该属性为它的默认值。请参阅 initial
inherit 从父元素继承该属性。请参阅 inherit

technical details

Defaults: 0
return value: String representing the border-top-left-radius attribute element.
CSS version CSS3


related articles

CSS Reference: border-left-Top-RADIUS attribute


Style Object Reference Style Objects