try { new isNaN; } catch (e) {} | |
new Array; | |
new Boolean; | |
new Date; | |
new Number; | |
new Object; | |
new String; | |
try { new [].push(4); } catch (e) {} | |
try { new [1,2,3].pop(); } catch (e) {} | |
try { new "a,b,c".split(","); } catch (e) {} | |
try { new Array.concat(3); } catch (e) {} |