javascript remove last character from a string

JavaScript
let str = "Hello Worlds";
str = str.slice(0, -1);var str = "Hello";
var newString = str.substring(0, str.length - 1); //newString = Hellvar str = "Your string"
str = str.slice(0, -1); 
console.log(str)
//returns "Your strin"str=str.slice(0, -1);var str = "Hello TecAdmin!";
var newStr = str.slice(0, -1);
let str = "12345.00";
str = str.substring(0, str.length - 1);
console.log(str);
Source

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