JAVASCRIPT

substring method

//substring() is similar to slice().
//The difference is that start and end values less than 0 are treated as 0 in substring()

let str = "Apple, Banana, Kiwi";
let part = str.substring(7, 13);

// >> Banana

//if you find this answer is useful ,
//upvote ⇑⇑ , so can the others benefit also . @mohammad alshraideh ( ͡~ ͜ʖ ͡°)

substring methods example

let str = 'JavaScript Substring';
let substring = str.substring(0,10);

console.log(substring);
Code language: JavaScript (javascript)

substr method

//substr() is similar to slice().
//The difference is that the second parameter specifies the length of the extracted part

let str = "Apple, Banana, Kiwi";
let part = str.substr(7, 6);

// >> Banana

//if you find this answer is useful ,
//upvote ⇑⇑ , so can the others benefit also . @mohammad alshraideh ( ͡~ ͜ʖ ͡°)

Substring Of String

s  ="abcdefghijklmnopqrstuvwxyz"
print(s[0:len(s)])
#prints the entire string from 0 to len(s)-1

substrings

s = '   hello   '
s = s[3:8]  # no crash if s[3:20]
# 'hello'