What Are The Most Query Search On Google About Javascript?

Some of the most commonly searched queries about JavaScript on Google include:

1. How get image path from element javascript?

To get the path of an image from an HTML element using JavaScript, You can use the getAttribute() method to get the value of the image element's src attribute. Here's how to do it:

// Assuming you have an image element with id "myImage"
var imageElement = document.getElementById('myImage');

// Get the value of the "src" attribute
var imagePath = imageElement.getAttribute('src');

// Now imagePath contains the path of the image
console.log(imagePath);

2. Check if file exists javascript

Here is an example of how to use the fs.existsSync function to check if a file exists in JavaScript:

let fs = require("fs"); 

if (fs.existsSync("/your/file/path"){ 

console.log("File exists") 

} 

else{ 

console.log("File does not exist") 

}

3. Javascript fusker

This script can be used to display multiple numbered images. Please enter a valid URL with a numeric part. Click here to see an example. The idea comes from http://fusker.lewww.com. Fusker means swindler or hacker in Danish.

// Define the base URL and file extension
var baseUrl = 'http://example.com/images/';
var extension = '.jpg';

// Define the range of images you want to access
var startNumber = 1;
var endNumber = 10;

// Iterate through the range and generate URLs
for (var i = startNumber; i <= endNumber; i++) {
    var imageUrl = baseUrl + i + extension;
    console.log(imageUrl);
}

4. Javascript list comprehension

List comprehension is a concise way to create and manipulate arrays based on existing arrays or iterables. 

Here's how you can perform list comprehension-like operations in JavaScript:

1. Using map()

2. Using filter():

3. Combining map() and filter():

4. Using reduce():

5. Javascript to round to 2 decimal places

Learn how to round a number to two decimal places in Javascript using toFixed() and Math.round() methods with examples.

Using toFixed() method:

const number = 3.14159;
const roundedNumber = number.toFixed(2);
console.log(roundedNumber); // Output: "3.14"

Using Math.round():

const number = 3.14159;
const roundedNumber = Math.round(number * 100) / 100;
console.log(roundedNumber); // Output: 3.14