Here is how to retrieve the index of an item in a JS array based on its valueSuppose you have the value of an item which is contained in an array, and you want to get its index.How can you get it?If the item is a primitive value, like a string or number, you can use the ...
Most of the time you will be creating string primitives. JavaScript is able to access and utilize the built-in properties and methods of theStringobject wrapper without actually changing the string primitive you've created into an object. While this concept is a bit challenging at first, you s...
In this tutorial, we reviewed the major built-in accessor array methods in JavaScript. Accessor methods create a new copy or representation of an array, as opposed to mutating or modifying the original. We learned how to concatenate arrays together, which combines them end-to-end, as well ...
When you’re working with JavaScript, sometimes you need to access query string parameters in your script. Let’s go through the following JavaScript example. functiongetQueryStringValues(key){vararrParamValues=[];varurl=window.location.href.slice(window.location.href.indexOf('?')+1).split('&'...
Note, we can use the.splice()function to replace objects from an array with newer values passed as parameters. The first parameter of the.splice()method is the index in which we perform the operations. As the second parameter, we mention the number of elements we wish to replace. The fin...
How to use JavaScript to implement precise setTimeout and setInterval All In One 如何使用 JavaScript 实现精确的 setTimeout 和 setInterval
How to find duplicate values in a JavaScript array - In this tutorial, we will discuss how we can find duplicate or repeating values in a JavaScript array using different methods or approaches to reach the solution to this problem. Below is the list of t
;;link.click();}else{alert("Please use Chrome");}} You can download the source code -SaveImage. If you have any questions, please feel free to contact me at {Desmond at Dynamsoft dot com}.
Using JavaScript to redirect users can be a legitimate practice. For example, if you redirect users to an internal page once they’re logged in, you can use JavaScript to do so. When examining JavaScript or other redirect methods to ensure your site adheres to our guidelines, consider the ...
In the above code, we first find the index of the element we want to remove and then use thesplice()method to remove the array element. UseArray.filter()to Remove a Specific Element From JavaScript Array Thefiltermethods loop through the array and filter out elements satisfying a specific ...