javascriptCount number of elements in object (length of object)
var obj = {a: 1, b: 2};
var size = 0;
for ( k in obj ) size++;
console.log(size);ctrl + cvar objdeclares test object | for ( k in obj ) size++iterates through object and counts all properties |
console.log(size)replace with your code to operate with | |
More of Javascript
- Validate email
- Get a timestamp
- Throw error
- Convert float number to integer
- Convert hex to decimal (integer)
- How to stop setInterval execution
- Ajax post json data
- Create array with N random elements (1...N range)
- Insert text into textarea at cursor position
- Round to 2 decimals
See more codes...