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Should I use .done() and .fail() for new jQuery AJAX code instead of success and error
...jqXHR.success() have some load time in callback and sometimes can overkill script. I find that on hard way before.
UPDATE:
Using jqXHR.done(), jqXHR.fail() and jqXHR.always() you can better manipulate with ajax request. Generaly you can define ajax in some variable or object and use that variable ...
click or change event on radio using jquery
...input type="radio" name="radioName" value="2" />two
</form>
<script>
$('#myForm input[type=radio]').change(function() {
alert(this.value);
});
</script>
You must make sure that you initialized jquery above all other imports and javascript functions. Because $ is a ...
How do I pass the this context to a function?
...allow you to set the context for a function.
var myfunc = function(){
alert(this.name);
};
var obj_a = {
name: "FOO"
};
var obj_b = {
name: "BAR!!"
};
Now you can call:
myfunc.call(obj_a);
Which would alert FOO. The other way around, passing obj_b would alert BAR!!. The differe...
How do I call a JavaScript function on page load?
Traditionally, to call a JavaScript function once the page has loaded, you'd add an onload attribute to the body containing a bit of JavaScript (usually only calling a function)
...
Calling dynamic function with dynamic number of parameters [duplicate]
...). The use of call on mainfunc would also work:-
function target(a) {
alert(a)
}
var o = {
suffix: " World",
target: function(s) { alert(s + this.suffix); }
};
mainfunc("target", "Hello");
mainfunc.call(o, "target", "Hello");
...
jQuery - Detect value change on hidden input field
...you are are trying to catch a "change" event that as being changed via javascript, otherwise the changes made by javascript cannot be caught by the .change(handler) or .on("change", handler)
– JJK
Sep 9 '16 at 21:06
...
How to get the data-id attribute?
...ry's data object. ... Every attempt is made to convert the string to a JavaScript value (this includes booleans, numbers, objects, arrays, and null). A value is only converted to a number if doing so doesn't change the value's representation. For example, "1E02" and "100.000" are equivalent as numbe...
Understanding the difference between Object.create() and new SomeFunction()
I recently stumbled upon the Object.create() method in JavaScript, and am trying to deduce how it is different from creating a new instance of an object with new SomeFunction() , and when you would want to use one over the other.
...
How do you rename a MongoDB database?
... renamed to db2 to achieve rename Database name.
you can do it in this Js script
var source = "source";
var dest = "dest";
var colls = db.getSiblingDB(source).getCollectionNames();
for (var i = 0; i < colls.length; i++) {
var from = source + "." + colls[i];
var to = dest + "." + colls[i];
db....
Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?
...r, are purely symbols; they are not associated with any alphabet.
The ECMAScript standard, chapter 7.6 (which all the browsers except Internet Explorer are following), states that an identifier must start with one of the following.
a Unicode letter
$ or _
\ followed by a unicode escape sequence.
...