JavaScript

JavaScript

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What's the difference between using `let` and `var` in Javascript?

Asked by Sumit Talwar ·
As I know both let and var are local variables, however, I'm as yet not exactly sure what is the difference between both. So, please explain What are the differences? When should (...)
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2311

What is the difference between Ref() and Reactive() in Vue 3 Composition API?

The biggest feature of Vue 3 is the Composition API. This offers an elective way to deal with making components that is very different than the current options API.
Harish Kumar
What is the difference between Ref() and Reactive() in Vue 3 Composition API?
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1150

How to remove a property from a JavaScript object?

Asked by Daniyal Mill ·
Here I have a object: let myObject = { "item1": "value", "item2": "value", "item3": "value" }; What is the best way to remove the property from this myObject variable? (...)
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What is the difference between `var functionName = function() {}` vs `function functionName() {}`?

Asked by Sohail ·
What are the purposes behind utilizing these two different methods and what are the upsides and downsides of each? Is there anything that can be done with one method that isn't (...)
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969

How to verify that a string has a substring in JavaScript?

Asked by Sohail ·
Is there any method to check if string has a substring something like String.contains('some string').
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592

How to Upload Multiple Images and Files in Laravel with Validation?

Asked by Deepak Kumar ·
How to implement Laravel file upload functionality with multiple file and image uploading option.
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569

How to remove a specific item from an array?

Asked by Sohail ·
Is there an easy method to delete a particular element from an array? I'm searching for something like this: array.remove(number);
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