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Prevent Default on Form Submit jQuery
...et the form element, and jQuery doesn't give any error about that. If your script is placed in the head of the document, make sure the code runs after DOM is ready. So, $(document).ready(function () { // your code here // }); will solve the problem.
The best practice is, always put your script in t...
JavaScript single line 'if' statement - best syntax, this alternative? [closed]
...
I use it like this:
(lemons) ? alert("please give me a lemonade") : alert("then give me a beer");
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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
...
getting the ng-object selected with ng-change
... ng-change='selectedTemplate(t.url)'></select>
script.js
$scope.selectedTemplate = function(pTemplate) {
//Your logic
alert('Template Url is : '+pTemplate);
}
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Creating a jQuery object from a big HTML-string
...eHTML('<div><input type="text" value="val" /></div>'));
alert( dom_nodes.find('input').val() );
DEMO
var string = '<div><input type="text" value="val" /></div>';
$('<div/>').html(string).contents();
DEMO
What's happening in this code:
$('<div/>')...
Checking if jquery is loaded using Javascript
...ction() {
if (window.jQuery) {
// jQuery is loaded
alert("Yeah!");
} else {
// jQuery is not loaded
alert("Doesn't Work");
}
}
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JavaScript: What are .extend and .prototype used for?
..., Math, and even your own custom ones.
Date.prototype.lol = function() {
alert('hi');
};
( new Date ).lol() // alert message
In the snippet above, I define a method for all Date objects ( already existing ones and all new ones ).
extend is usually a high level function that copies the prototy...
Should I put #! (shebang) in Python scripts, and what form should it take?
Should I put the shebang in my Python scripts? In what form?
12 Answers
12
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How to get browser width using JavaScript code?
I am trying to write a JavaScript function to get the current browser width.
8 Answers
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What do parentheses surrounding an object/function/class declaration mean? [duplicate]
...ake a simple example:
for(var i=0; i<5; i++) {
setTimeout(function(){alert(i)}, 10);
}
The "expected" result could be the numbers from zero to four, but you get four instances of fives instead. This happens because the anonymous function in setTimeout and the for loop are using the very same...