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var Drawer1 = {
draw : function(context){
//balala...
context;
}
}
//...
var context = canvas.getContext("2d");
Drawer1.draw(context);
Drawer2.draw(context);
Drawer3.draw(context);
Drawer4.draw(context);
var Drawer1 = {
context : canvas.getContext("2d"),
draw : function(){
//balala...
this.context;
}
}
//...
Drawer1.draw();
Drawer2.draw();
Drawer3.draw();
Drawer4.draw();
var Drawer1 = {
draw : function(){
//balala...
canvas.getContext("2d");
}
}
//...
Drawer1.draw();
Drawer2.draw();
Drawer3.draw();
Drawer4.draw();