Locate the final element within an array using JavaScript

Question

Locate the final element within an array using JavaScript

Provided with a file path like new/lib/java.exe, I am looking to eliminate the root folder 'new' and structure the new path as lib/java.exe.

Challenge: After my attempts, I am left with the path as lib/java.exe/ which includes an unwanted "/". I want to avoid having "/" at the end of the path. Please review the code snippet below that I have been working on. Any assistance in solving this issue would be greatly appreciated.

function myFunction() {
    var path=''; 
    var str = "new/lib/java.exe";
    var res = str.split("/");
    if(res.length > 0)    
       res.shift();

   for(var i=0; i < res.length; i++){
      if(res.length == 1){
        path = res[i];
      }
      else{
        path += res[i] + "/";
      }
    }
   document.getElementById("demo").innerHTML = path;
}

javascript arrays split

Answer 1

Answer №1

Using the Array#join() method is the way to go.

function updatePath() {
    var fullPath = '';
    var text = "old/lib/csharp.exe";
    var result = text.split("/");
    if (result.length > 0)     //removing the first item "old"
        result.shift();
    }
    document.getElementById("output").innerHTML = result.join('/');
}

Answer 2

Using the Array#join() method is the way to go.

function updatePath() {
    var fullPath = '';
    var text = "old/lib/csharp.exe";
    var result = text.split("/");
    if (result.length > 0)     //removing the first item "old"
        result.shift();
    }
    document.getElementById("output").innerHTML = result.join('/');
}

Answer 3

Answer №2

One way to manipulate a string is by utilizing arrays and shifting values.

var text = "red/ocean/sunset.jpg";
var arrayText = text.split('/');

arrayText.shift();
var combinedText = arrayText.join('/');

Answer 4

One way to manipulate a string is by utilizing arrays and shifting values.

var text = "red/ocean/sunset.jpg";
var arrayText = text.split('/');

arrayText.shift();
var combinedText = arrayText.join('/');

Locate the final element within an array using JavaScript

Answer №1

Answer №2

Similar questions

Error in Angular Google Maps Component: Unable to access the 'nativeElement' property as it is undefined

What is the method for toggling a checkbox on and off repeatedly?

Move the focus to the previous input field by removing the key

Error message encountered in AngularJS when trying to send Fullcalendar: TypeError - Cannot access property '__id' of an undefined object

How to display currency input in Angular 2

The functionality of Angular Views is experiencing issues

Chrome debugging tool does not refresh page source

Issue NG0203 encountered during material import attempt

Reset the AJAX object using jQuery

Implementing Vue modal within a Laravel 5.2 foreach loop

Is there a way to customize the color of an element within CardHeader in MUI?

Using AJAX to add an event listener and passing parameters to a separate function

Obtaining JavaScript data using Python Selenium Web Driver

Navigating nested loops within multidimensional arrays

Shifting the MUI DataGrid Pagination table to the left with CustomPagination: A step-by-step guide

Explore the capabilities of Vue.js by creating multiple JavaScript classes within your application

Parsing XML to JSON using JavaScript

React / Next.js Rendering Problem, Data Discrepancy Between Client and Server

Can you tell me the specific name of the HTML document style that features two columns?

Can you explain the meaning of this AJAX code snippet?