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How to wait for the 'end' of 'resize' event and only then perform an action?
...etTimeout(resizeend, delta);
} else {
timeout = false;
alert('Done resizing');
}
}
Thanks sime.vidas for the code!
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What is the “assert” function?
...ate is used. If the variable ever does become negative, the assert() macro alerts you. You can then examine the relevant code to locate the cause of the problem.
To see how assert() works, run the sample program below. If you enter a nonzero value, the program displays the value and terminates norm...
How can I use NSError in my iPhone App?
... show a user friendly error message based on an error code. An example:
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error"
message:FS_ERROR_LOCALIZED_DESCRIPTION(error.code)
delegate:nil
cancelButtonTitle:@"OK"
otherButtonTitles:nil]...
Explanation of [].slice.call in javascript?
...d of another object:
object1 = {
name: 'Frank',
greet() {
alert(`Hello ${this.name}`);
}
};
object2 = {
name: 'Andy'
};
// Note that object2 has no greet method,
// but we may "borrow" from object1:
object1.greet.call(object2); // Will show an alert with 'Hello Andy'
Th...
How can I get the ID of an element using jQuery?
....extend({
id : function() {
return this.attr('id');
}
});
alert( $('#element').id() );
Some checking code required of course, but easily implemented!
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Why escape_javascript before rendering a partial?
...owing users to control your application.
try this:
<% variable = '"); alert("hi there' %>
$("#reviews").append("<%= variable %>");
not really familiar with the syntax of rails, but if you don't escape variable then an alert box will show, and i dont think that is intended behaviour.
...
What should every JavaScript programmer know? [closed]
...ur when control returns; how calling a supposedly-synchronous builtin like alert can end up causing potentially-disastrous re-entrancy.
How cross-window scripting affects instanceof; how cross-window scripting affects the control flow across different documents; how postMessage will hopefully fix th...
this.setState isn't merging states as I would expect
...gt; _.merge({}, previousState, { selected: { name: "Barfood"} }), () => alert(this.state.selected));
I used merge because extend discards the other properties otherwise.
React Immutability example:
import update from "react-addons-update";
this.setState((previousState) => update(previousS...
What is event bubbling and capturing?
...Selector("#div2");
div1.addEventListener("click", function (event) {
alert("you clicked on div 1");
}, true);
div2.addEventListener("click", function (event) {
alert("you clicked on div 2");
}, false);
#div1{
background-color:red;
padding: 24px;
}
#div2{
background-color:...
How to pass parameters on onChange of html select
...y.js"></script>
<script>
$('#yourid').change(function() {
alert('The option with value ' + $(this).val() + ' and text ' + $(this).text() + ' was selected.');
});
</script>
You should also know that Javascript and jQuery are not identical. jQuery is valid JavaScript code, but...