codice:var a = 10; var b = 20; var c = null; var d = null; c = a.toString() + b.toString(); alert(c); d = a + b; alert(d); c = "" + a + b; alert(c); d = a + b - 0; alert(d);
codice:var a = 10; var b = 20; var c = null; var d = null; c = a.toString() + b.toString(); alert(c); d = a + b; alert(d); c = "" + a + b; alert(c); d = a + b - 0; alert(d);
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