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If I use:
1.09 * 1; // returns "1.09"
But if I use:
1,09 * 1; // returns "9"
I know that 1,09 isn’t a number.
What does the comma do in the last piece of code?
if (0,9) alert("ok"); // alert
if (9,0) alert("ok"); // don't alert
alert(1); alert(2); alert(3); // 3 alerts
alert(1), alert(2), alert(3); // 3 alerts too
alert("2",
foo = function (param) {
alert(param)
},
foo('1')
)
foo('3'); // alerts 1, 2 and 3
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