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The angle units in css are: 1. deg, degree (Degress), a circle has a total of 360 degrees; 2. grad, gradients (Gradians), a circle has a total of 400 gradients; 3. rad, radians (Radians) ), a circle has a total of 2π radians; 4. turn, turns (Turns), a circle has a total of 1 turn.
##Angle unit in css
1, deg
Degress. A circle has a total of 360 degrees90deg = 100grad = 0.25turn ≈ 1.570796326794897rad##
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <style> .test{ height:100px;background:#eee; -moz-transform:rotate(2deg); -webkit-transform:rotate(2deg); -o-transform:rotate(2deg); -ms-transform:rotate(2deg); transform:rotate(2deg); } </style> </head> <body> <div>transform:rotate(2deg);</div> </body> </html>2、grad
Gradians. A circle has a total of 400 gradients
90deg = 100grad = 0.25turn ≈ 1.570796326794897rad
##<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <style> .test{ height:100px;background:#eee; -moz-transform:rotate(2grad); -webkit-transform:rotate(2grad); -o-transform:rotate(2grad); -ms-transform:rotate(2grad); transform:rotate(2grad); } </style> </head> <body> <div>transform:rotate(2grad);</div> </body> </html>
3、rad
radians. A circle has a total of 2π radians
90deg = 100grad = 0.25turn ≈ 1.570796326794897rad##
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <style> .test{ height:100px;background:#eee; -moz-transform:rotate(2rad); -webkit-transform:rotate(2rad); -o-transform:rotate(2rad); -ms-transform:rotate(2rad); transform:rotate(2rad); } </style> </head> <body> <div>transform:rotate(2rad);</div> </body> </html>
4、turn
turn, circle (Turns). A circle has 1 turn in total 90deg = 100grad = 0.25turn ≈ 1.570796326794897rad
##<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <style> .test{ height:100px;background:#eee; -webkit-transform:rotate(.5turn); -o-transform:rotate(.5turn); -ms-transform:rotate(.5turn); transform:rotate(.5turn); } </style> </head> <body> <div>transform:rotate(.5turn);</div> </body> </html
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