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function x1(x){return(x+34)};x1(304)
function x1(x){return(x+34)};x1(304)
a=["cat","dog","rat"];
a.filter(
x=>x.match(/(o|t)/)
)
Output: cat dog rat
a=["cat","dog","rat","rat1"];
a.map(
x=>x.match(/[0-9]/)
)
Output: null null null 1
a=["cat","dog","r2iat","rat1"];
a.filter(
x=>x.match(/[hc]?at/)
)
Output: cat r2iat rat1
a=13;
b=34;
a..b
Output: 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
5√(1..34)
(2..5)√(10..34)
a=45m;
c=56cm;
a<+>c