I made some code that wouldn't work. An error popped up in the Chrome console saying "Syntax error: Unexpected identifier". Error is on line 19. Here is the code:
13. var canvas=document.getElementById("canvas")
14. var ctx=canvas.getContext("2d")
15. function getMousePos(canvas,evt){
16. var rect=canvas.getBindingClientRect()
17. return{
18. x:evt.clientX-rect.left
19. y:evt.clientY-rect.top
20. }
21. }
22. canvas.addEventListener("mouseclick",function(evt){
23. var mousePos=getMousePos(canvas,evt)
24. ctx.fillRect(mousePos.x-15,mousePos.y-15,10,10)
25. },false)
from line 17: add a comma on line 18 as @thg435 mentioned
return {
x:evt.clientX-rect.left,
y:evt.clientY-rect.top
}