src/canvas/CanvasContext.js
function(g, options) {
        var compositeOperation = options.compositeOperation
                || options.composition || 'source-over';
        g.globalCompositeOperation = compositeOperation;//
    }
function(g, options) {
        var compositeOperation = options.compositeOperation
                || options.composition || 'source-over';
        g.globalCompositeOperation = compositeOperation;//
    }
function ( g , options ) { var compositeOperation = options . compositeOperation || options . composition || 'source-over' ; g . globalCompositeOperation = compositeOperation ; // }
Copies image styles from the specified style object to the canvas
context.
Copies image styles from the specified style object to the canvas context .