nazerke
5/17/2016 - 9:02 AM

hard binding(explicit binding)

hard binding(explicit binding)

this_2_2.html
content_copyfile_download
<!DOCTYPE html>
<html>
  <head>
<script>

function foo() {
	console.log(this.bar);
}

var obj = { bar: "bar" };
var obj2 = { bar: "bar2" };

var orig = foo;
foo = function(){ orig.call(obj); };

foo();//"bar"
foo.call(obj2);//"bar"

</script>
  </head>
  <body>
    <!-- page content -->
  </body>
</html>