js remove first character from string

1let str = 'Hello';
2 
3str = str.slice(1);
4console.log(str);
5 
6/*
7    Output: ello
8*/
9

1let str = " hello";
2str = str.substring(1);

1var newStr = str.substring(1);

1var oldStr ="Hello";
2var newStr = oldStr.substring(1); //remove first character "ello"
3

1let str = 'Hello';
2 
3str = str.substring(1);
4console.log(str);
5 
6/*
7    Output: ello
8*/
9

1// Return a word without the first character
2function newWord(str) {
3	return str.replace(str[0],"");
4	// or: return str.slice(1);
5	// or: return str.substring(1);
6}
7
8console.log(newWord("apple"));	// "pple"   
9console.log(newWord("cherry"));	// "herry"