JavaScript file upload size validation

Is there any way to check file size before uploading it using JavaScript?

2024 Jun 14

javascript

The OP was asking ''Array.size () vs Array.length''. From the previous discussions, it was make clear, that the ''size'' Function is not part of standard JavaScript but implemented

2025 Oct 27

Difference between size and length methods?

What is the difference between .size() and .length ? Is .size() only for arraylists and .length only for arrays?

2024 Feb 06

What does the C++ standard say about the size of int, long?

If the size of the int is that important one can use int16_t, int32_t and int64_t (need the iostream include for that if I remember correctly). What''s nice about this that int64_t should not have

2025 Mar 26

sql

What is the command to find the size of all the databases? I am able to find the size of a specific database by using following command: select

2026 Jan 13

Size function in matlab

As you know, matlab deals mainly with matrices. So, the size function gives you the dimension of a matrix depending on how you use it. For example: 1. If you say size(A), it will give you a

2024 Feb 13

What''s the difference between size_t and int in C++?

In several C++ examples I see a use of the type size_t where I would have used a simple int. What''s the difference, and why size_t should be better?

2024 Nov 02

int

In this case, depending upon what your use case is, you might be better off using int (or long long) for s1 and s2. There are some functions in C/POSIX that could/should use size_t, but don''t

2026 Jan 27

shell

I''m trying to write a script that will calculate a directory size and if the size is less than 10GB, and greater then 2GB do some action. Where do I need to mention my folder name? # 10GB SIZE="

2025 Nov 13

How to determine the size of an object in Java

The approach basically builds on other work where people experimentally identified the size of primitives and typical Java objects and then apply that knowledge to a

2024 Jul 21

View/Download What is the size of the 2 86 solar panel [PDF]

PDF version includes complete article with source references. Suitable for printing and offline reading.