Web# Python Program to get the first digit of number # take input num = int(input('Enter any Number: ')) # get the first digit while (num >= 10): num = num // 10 # printing first digit of number print('The first digit of number:', num) Output:- Enter any Number: 123 The first digit of number: 1 Get First Digit of Number using Built-in Functions WebHow to get the first number in a string using JavaScript javascript 1min read Get the first number in a string To get the first number in a string, we can use the String.match () …
How to Get the First Digit of an Integer in JavaScript?
WebFeb 24, 2024 · Now, In order to access the digits of a number, there are several approaches ranging from the brute-force approach to the most optimal approach. Two standard approaches are as follows: Approaches: Using Integer.toString Function (Using inbuilt Method) Using modulo operator Approach 1: Using Integer.toString Method WebTo get the first digit of a number, convert the number to a string and call the substring () method on it, by passing the 0, 1 as a arguments. The substring () method returns the first character of a string then convert the result back to a … theory a theory b social anxiety
First double-digit number crossword clue
WebAug 22, 2024 · To get the first digit of a number in JavaScript, you can use the Math.floor method to remove the decimal part of the number, and then convert it to a string using … WebJan 27, 2024 · A simple solution is to compute factorial of number, then find first digit in it. The above solution causes overflow soon. A better solution is to use the fact that factorial contains trailing 0s and removing trailing 0s does not change first digit. For example, first digit of x * y is same as x * y * 100 for x > 0 and y > 0. C++ Java Python3 C# WebJun 6, 2024 · To get the rest of the string after the removal of the first character, we can make use of the substring () method. In the following example, we have one global variable that holds a number. Upon click of a button, we will remove the first digit from the number and display the result on the screen. theory a theory b panic disorder