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What techniques can be used to define a class in JavaScript, and what are their trade-offs?
...jects will be able to invoke this
Person.prototype.speak = function(){
alert("Howdy, my name is" + this.name);
};
// Instantiate new objects with 'new'
var person = new Person("Bob", "M");
// Invoke methods like this
person.speak(); // alerts "Howdy, my name is Bob"
Now the real answer is a ...
HTTP GET request in JavaScript?
I need to do an HTTP GET request in JavaScript. What's the best way to do that?
27 Answers
...
How do I attach events to dynamic HTML elements with jQuery? [duplicate]
...ts added would look like this:
$('ul').on('click', 'li', function() {
alert( $(this).text() );
});
As long as the ul tag exists this will work (no li elements need exist yet).
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pip issue installing almost any library
...tion found for pytest-cov
Update April 2018:
To anyone getting the TLSV1_ALERT_PROTOCOL_VERSION error: it has nothing to do with trusted-host/verification issue of the OP or this answer. Rather the TLSV1 error is because your interpreter does not support TLS v1.2, you must upgrade your interpreter...
rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)
...y in sprockets require, but only if you include them with <link>/<script>
– elado
Jan 9 '13 at 10:04
...
How do I check if file exists in jQuery or pure JavaScript?
How do I check if a file on my server exists in jQuery or pure JavaScript?
17 Answers
...
On - window.location.hash - Change?
...rowser.msie)) {
window.onhashchange = function () {
alert(window.location.hash);
}
// Or $(window).bind( 'hashchange',function(e) {
// alert(window.location.hash);
// });
}
else {
var prevHash = window.location.hash;
...
Detect Safari browser
... (ua.indexOf('safari') != -1) {
if (ua.indexOf('chrome') > -1) {
alert("1") // Chrome
} else {
alert("2") // Safari
}
}
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How to pass json POST data to Web API method as an object?
...
data: product,
success: function (data, status, xhr) {
alert('Success!');
},
error: function (xhr, status, error) {
alert('Update Error occurred - ' + error);
}
});
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rails - Devise - Handling - devise_error_messages
....errors.any? %>
<div id="error_explanation">
<div class="alert alert-danger alert-dismissable">
<button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>
<p><strong>This form contains <%= pluralize(obj...