javascript remove last character in a string

JavaScript
str=str.slice(0, -1);var str = "Hello TecAdmin!";
var newStr = str.slice(0, -1);
"somestring0".slice(0, -1)
// "somestring"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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