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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...
What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
... the constructor, you will get an array of that length:
x = new Array(5);
alert(x.length); // 5
To illustrate the different ways to create an array:
var a = [], // these are the same
b = new Array(), // a and b are arrays with length 0
c = ['foo', 'bar'], // these...
What are deferred objects?
...r rejected.
Deferred In Action:
$.get("test.php").done(
function(){ alert("$.get succeeded"); }
);
$.get("test.php")
.done(function(){ alert("$.get succeeded"); })
.fail(function(){ alert("$.get failed!"); });
And it seems that the existing ajax() method callbacks can be chained rat...
Implode an array with JavaScript?
...ters:
var bits = ['H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd'];
alert(bits.join()); // H,e,l,l,o, ,W,o,r,l,d
alert(bits.join('')); // Hello World
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What is the most efficient way to create HTML elements using jQuery?
...of an element
// see below statements
}
var end = new Date().getTime();
alert( end - start );
var e = $( document.createElement('div') ); // ~300ms
var e = $('<div>'); // ~3100ms
var e = $('<div></div>'); // ~3200ms
v...
How to send multiple data fields via Ajax? [closed]
...here: http://api.jquery.com/jQuery.ajax/
So if that doesn't work, I would alert those variables to make sure they have values.
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Assign variable in if condition statement, good practice or not? [closed]
...(x = processorIntensiveFunction()) { // declaration inside if intended
alert(x);
}
Why should that function be allowed to run a 2nd time with:
alert(processorIntensiveFunction());
Because the first version LOOKS bad? I cannot agree with that logic.
...
Getting the object's property name
...
i is the name.
for(var name in obj) {
alert(name);
var value = obj[name];
alert(value);
}
So you could do:
seperateObj[i] = myObject[i];
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How to get the focused element with jQuery?
...
Try this:
$(":focus").each(function() {
alert("Focused Elem_id = "+ this.id );
});
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How to tell if a browser is in “quirks” mode?
...afari, and IE, run this javascript in the address bar:
javascript:window.alert('You are in ' + (document.compatMode==='CSS1Compat'?'Standards':'Quirks') + ' mode.')
(note that you'll need to re-type the javascript: portion after pasting into your address bar, due to recent security changes)
...