JAVASCRIPT

String slice

string word = "hello";
string ordw = word.Substring(1) + word.Substring(0, 1);

string splice

newStr = str.split(''); // or newStr = [...str];
newStr.splice(2,5);
newStr = newStr.join('');

string slice

a="grayorphanvillain"
t=a[0:-13:1]
print(t,'/',end=" ")
k=a[-13:-7:1]
print(k,'/',end=" ")
m=a[-7:]
print(m,end=" ")
#output:
gray / orphan / villain