JAVASCRIPT

js number remove last 2 characters

let str = "123456789"
str = str.slice(0, -2); // "1234567"

remove last 3 characters from string javascript

str = str.slice(0, -3);

string remove last two characters javascript

let string = 'foo_bar';
string = string.slice(-4, 0); // Slice off last four characters here
console.log(string);
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