Javascript String beginsWith(str)

• Javascript

• Javascript Basic

• • Javascript Basics

  • Array

  • Array Extension

  • Class

  • Data Types

  • Date

  • Date Extension

  • Function

  • Generator

  • Iterator

  • Json

  • Language

  • Math

  • Math Extension

  • Number Extension

  • Object

  • Object Extension

  • Operators

  • Promise

  • Regular Expressions

  • Set

  • Statements

  • String

  • String Extension

  • Javascript Browser

  • BOM

  • DOM

  • Storage

  • Javascript Usage

  • Algorithm

  • Data Structure

  • Interview Question

Description

Javascript String beginsWith(str)

String.prototype.beginsWith = function(str) {
 return (this.substr(0, str.length) == str);
}

Related

• Javascript String basename()
• Javascript String beginsWith(p_string)
• Javascript String beginsWith(prefix)
• Javascript String beginsWith(t)
• Javascript String beginsWith(t, i)