let first character [0] javascript code example

Example 1: javascript remove first character from string

let str = 'ass';

str = str.split(''); // (3) ["a", "s", "s"]
str.shift(); // (2) ["s", "s"]
str = str.join(''); // "ss"

Example 2: javascript remove first character from string

let str = 'ss';

str = new RegExp('^.(.*)').exec(str)[1]; // "s"