Let"s take a look at a discussion on StackOverFlow. I don"t understand the first two answers. If you can understand them, I think the second answer seems to be a good one.
Link: https://stackoverflow.com/que.
Let"s take a look at a discussion on StackOverFlow. I don"t understand the first two answers. If you can understand them, I think the second answer seems to be a good one.
Link: https://stackoverflow.com/que.
+ operator rules:
attached to the original question
var x = {toString: function() {return "foo"; },
valueOf: function() {return 42; }};
window.console.log ("x="+x); // x=42
window.console.log ("x="+x.toString()); //x=foo"x =" .valueof () is "x =" and x.valueOf () is 42. Because "x =" is a string, 42 is also converted to a string concatenated with it.
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