how to get the last character of a string

Question

How to get the last character of the string    linto yahoo com     The last character of this string is      How can I find this

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str charAt str length - 1    Some browsers allow  as a non-standard extension  you to shorten this to   str str length - 1

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Use charAt      The charAt   method returns the character at the specified index in a string    You can use this method in conjunction with the length property of a string to get the last character in that string  For example    x000D   x000D  const myString    linto yahoo com    x000D  const stringLength   myString length     this will be 16 x000D  console log  lastChar     myString charAt stringLength - 1       this will be the string x000D   x000D   x000D

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You can use the following  In this case of last character it s an overkill but for a substring  its useful       var word    linto yahoo com    var last     com    if  word substr - last length      last  alert  its a match

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Use the JavaScript charAt function to get a character at a given 0-indexed position  Use length to find out how long the String is  You want the last character so that s length - 1   Example   var word    linto yahoo com    var last   word charAt word length - 1   alert  The last character is     last

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Use substr with parameter -1       linto yahoo com   substr -1     equals      Note       To extract characters from the end of the string  use a negative start number  This does not work in IE 8 and earlier

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An easy way of doing it is using this     var word    waffle  word endsWith  e

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You can get the last char like this    var lastChar yourString charAt yourString length-1

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If you have or are already using lodash  use last instead    last str    Not only is it more concise and obvious than the vanilla JS  it also safer since it avoids Uncaught TypeError  Cannot read property X of undefined when the input is null or undefined so you don t need to check this beforehand     Will throws Uncaught TypeError if str is null or undefined str slice -1       str charAt str length -1       Returns undefined when str is null or undefined   last str

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You can achieve this using different ways but with different performance   1  Using bracket notation   var str    Test     var lastLetter   str str length - 1    But it s not recommended to use brackets  Check the reasons here  2  charAt index    var lastLetter   str charAt str length - 1   This is readable and fastest among others  It is most recommended way   3  substring   str substring str length - 1    4  slice   str slice -1    It s slightly faster than substring   You can check the performance here  With ES6    You can use str endsWith  t     But it is not supported in IE  Check more details about endsWith here

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You can use this simple ES6 method   x000D   x000D  const lastChar    str    gt  str split     reverse   join      replace          str length     str length   1   1   0   x000D   x000D   x000D     example x000D  console log lastChar  linto yahoo com      x000D   x000D   x000D    This will work in every browsers

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Try this    const str    quot linto yahoo com  quot  console log str charAt str length-1

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An elegant and short alternative  is the String prototype slice method   Just by   str slice -1     A negative start index slices the string from length index  to length  being index -1  the last character is extracted    abc  slice -1       c

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var firstName    Ada   var lastLetterOfFirstName   firstName firstName length - 1

[javascript] how to get the last character of a string?

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