JavaScript Tutorial - Part 5 | String methods | yusy4code
This is part 5 of our Crash Course JavaScript. In this video we will learn about
String methods
length
slice(start_idx, end_idx) [ end_idx not included]
substring(start_idx, end_idx) [ end_idx not included]
substr(start_idx, no_of_item) [ can handle -ve index]
replace (only first occurance)
replace with regex
toUpperCase
toLowerCase
trim
charAt or use like array index
split
indexOf, lastIndexOf
startsWith, endsWith
includes
match
Template literals
All string methods return a new string. They don't modify the original string.
Strings are immutable: Strings cannot be changed, only replaced.
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