how to do subtraction in javascript
//To subtract in Java script, you have to put an subtraction symbol '-' between them. If you have stored two numbers in variables, just put an subtraction symbol between the variable names.
//For example:
var a = 6
var b = 5
var c = a-b
var d = 6-5
Bot.send (c)/ print (c)// or whatever you use to get output
Bot.send (d)/ print (d)// or whatever you use to get output
//output will be: 1, 1Substring in Javascript using substr
const str = "Learning to code";
// start index is 1, length is 4
console.log(str.substr(1, 10));
// start index is 3, length is 2
console.log(str.substr(3, 2));
// length not given
// string extract to end of the string
console.log(str.substr(5));Copyright © 2021 Codeinu
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