The getAlpha() method is used to get the value of alpha channel for the specified color value.
Syntax:
getAlpha()
Parameters: This method does not accept any parameters.
Return Value: This method returns the alpha channel value.
Example 1:
Javascript
<!DOCTYPE html> <html> <head> <!-- Adding the FabricJS library --> <script src= </script> </head> <body> <script type="text/javascript"> // Calling the getAlpha() function over // the specified color values console.log(new fabric.Color("hsl(0, 100%, 50%)").getAlpha()); console.log(new fabric.Color("hsla(0, 100%, 50%, 0.2)").getAlpha()); </script> </body> </html> |
Output:
1 0.2
Example 2:
Javascript
<!DOCTYPE html> <html> <head> <!-- Adding the FabricJS library --> <script src= </script> </head> <body> <script type="text/javascript"> // Initializing some color values in different color format var A = "hex(fff00f)"; var B = "hsl(12, 13%, 25%)"; var C = "hsla(10, 40%, 13%, 0.6)"; var D = "rgb(10, 40, 13)"; var E = "rgba(10, 40, 13, 0.9)"; // Calling the getAlpha() function over // the above specified color values console.log(new fabric.Color(A).getAlpha()); console.log(new fabric.Color(B).getAlpha()); console.log(new fabric.Color(C).getAlpha()); console.log(new fabric.Color(D).getAlpha()); console.log(new fabric.Color(E).getAlpha()); </script> </body> </html> |
Output:
1 1 0.6 1 0.9
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