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best way to get the key of a key/value javascript object
...You would iterate inside the object with a for loop:
for(var i in foo){
alert(i); // alerts key
alert(foo[i]); //alerts key's value
}
Or
Object.keys(foo)
.forEach(function eachKey(key) {
alert(key); // alerts key
alert(foo[key]); // alerts value
});
...
jQuery ajax error function
...nction(data, textStatus, jqXHR) {
console.log(data.error);
}
Your asp script schould return:
{"error": true}
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Declare and initialize a Dictionary in Typescript
...{ key: "p3", value: { firstName: "F3", lastName: "L3" } }
]).toLookup();
alert(persons["p1"].firstName + " " + persons["p1"].lastName);
// alert: F1 L2
persons.remove("p2");
if (!persons.containsKey("p2")) {
alert("Key no longer exists");
// alert: Key no longer exists
}
alert(persons.k...
How to add target=“_blank” to JavaScript window.location?
...
linkGo(".button__main[data-link]");
.button{cursor:pointer;}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<span class="button button__main" data-link="" data-url="https://stackoverflow.com/">go stackoverflow</span>
...
Get the closest number out of an array
... = 112
print closest (number, array)
And, if you really need it in Javascript, see below for a complete HTML file which demonstrates the function in action:
<html>
<head></head>
<body>
<script language="javascript">
function closest (num...
Access object child properties using a dot notation string [duplicate]
I'm temporarily stuck with what appears to be a very simple JavaScript problem, but maybe I'm just missing the right search keywords!
...
jQuery Ajax error handling, show custom exception messages
...essage using Response.Write, then use...
xhr.responseText
..in your javascript.
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Escape quotes in JavaScript
...re causing the onclick HTML attribute to close prematurely.
Using the JavaScript escape character, \, isn't sufficient in the HTML context. You need to replace the double-quote with the proper XML entity representation, &quot;.
...
Send POST data using XMLHttpRequest
I'd like to send some data using an XMLHttpRequest in JavaScript.
13 Answers
13
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how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
...ge.
NEW
I would like to add a jQuery way, if this can help anyone.
<script>
$(document).ready(function()
{
$(".backup_picture").on("error", function(){
$(this).attr('src', './images/nopicture.png');
});
});
</script>
<img class='backup_picture' src='./images/nonex...