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How to communicate between iframe and the parent site?
...ame:
window.onmessage = function(e){
if (e.data == 'hello') {
alert('It works!');
}
};
If you are posting message from iframe to parent window
window.top.postMessage('hello', '*')
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Is it correct to use JavaScript Array.sort() method for shuffling?
...rr.join("\n")+"\n\nTime taken: " + ((end - start)/1000) + " seconds.";
};
alert("random sort: " + test([1,2,3,4], 100000, randSort));
alert("shuffle: " + test([1,2,3,4], 100000, shuffle));
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How to debug JavaScript / jQuery event bindings with Firebug or similar tools?
...dow.console) in case it gets left in the code (much easier to do than with alert()) and breaks IE.
– thepeer
Jan 24 '12 at 16:46
...
Does the APNS device token ever change, once created?
... be thought of as invariant.
[I'm not worried if I have to update my test scripts with new tokens every two years, especially since I change phones every year.]
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...
What is the exact meaning of IFS=$'\n'?
... can be
found in the Bash documentation.found
I guess it's forcing the script to escape the line feed to the proper ANSI-C standard.
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How to use a keypress event in AngularJS?
.....
$scope.myFunct = function(keyEvent) {
if (keyEvent.which === 13)
alert('I am an alert');
}
...
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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");
...
FormData.append(“key”, “value”) is not working
...
@kiwicomb123 Formdata.entries() + Array.from() + alert() if it's modern enough, or look into mobile debugging
– Rudie
Dec 30 '16 at 8:14
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Convert string to variable name in JavaScript
...
var myString = "echoHello";
window[myString] = function() {
alert("Hello!");
}
echoHello();
Say no to the evil eval. Example here: https://jsfiddle.net/Shaz/WmA8t/
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What does ':' (colon) do in JavaScript?
... method1 : function() { /* do nothing */ },
array: [5, 3, 6, 7]
};
alert(o.property1); // Will display "125"
A subset of this is also known as JSON (Javascript Object Notation) which is useful in AJAX calls because it is compact and quick to parse in server-side languages and Javascript ca...