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setTimeout or setInterval?
As far as I can tell, these two pieces of javascript behave the same way:
19 Answers
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Pass Variables by Reference in Javascript
... = "goodbye";
}
var myObj = { foo: "hello world" };
alterObject(myObj);
alert(myObj.foo); // "goodbye" instead of "hello world"
You can iterate over the properties of an array with a numeric index and modify each cell of the array, if you want.
var arr = [1, 2, 3];
for (var i = 0; i < arr....
momentJS date string add 5 days
...ys to this with moment.js but i don't get the new date "25.03.2014" in the alert window.
9 Answers
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How to use a link to call JavaScript?
How to use a link to call JavaScript code?
9 Answers
9
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When should I use jQuery's document.ready function?
I was told to use document.ready when I first started to use Javascript/jQuery but I never really learned why.
8 Answers
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How does JavaScript .prototype work?
...object of type Person
var john = new Person("John");
//Try the getter
alert(john.getName());
//If now I modify person, also John gets the updates
Person.prototype.sayMyName = function() {
alert('Hello, my name is ' + this.getName());
};
//Call the new method on john
john.sayMyName()...
Why is null an object and what's the difference between null and undefined?
Why is null considered an object in JavaScript?
21 Answers
21
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Is there an equivalent for var_dump (PHP) in Javascript?
We need to see what methods/fields an object has in Javascript.
18 Answers
18
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How to check if an option is selected?
...th you. Maybe those of us brought up on jQuery need to take a remedial JavaScript class. :)
– iambriansreed
Apr 18 '12 at 16:38
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get size of json object
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You can use something like this
<script type="text/javascript">
var myObject = {'name':'Kasun', 'address':'columbo','age': '29'}
var count = Object.keys(myObject).length;
console.log(count);
</script>
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