How to use php code in javascript
What you can do is pass the variable from outside that .js file, like this: and then reference that variable the same as if you defined it within that .js file (mind the potential scope issue).
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Make javascript alert Yes/No Instead of Ok/Cancel
You can use jQuery UI Dialog. These libraries create HTML elements that look and behave like a dialog box, allowing you to put anything you want (including form elements or video) in the dialog.
Angular 4 setting selected option in Dropdown
If you want to select a value based on true / false use [selected]=”opt.selected == true” checkit out Angular 2 – Setting selected value on dropdown list
Fastest way to duplicate an array in JavaScript – slice vs. ‘for’ loop
There are at least 6 (!) ways to clone an array: loop slice Array.from() concat spread operator (FASTEST) map A.map(function(e){return e;}); There has been a huuuge BENCHMARKS thread, providing following information: for blink browsers slice() is the fastest method, concat() is a bit slower, and while loop is 2.4x slower. for other browsers while loop is the fastest method, since those browsers don’t have internal optimizations for slice and concat. This remains … Read more
jQuery Ajax File Upload
File upload is not possible through AJAX.You can upload file, without refreshing page by using IFrame.You can check further details here. UPDATE With XHR2, File upload through AJAX is supported. E.g. through FormData object, but unfortunately it is not supported by all/old browsers. FormData support starts from following desktop browsers versions. IE 10+ Firefox 4.0+ Chrome 7+ Safari 5+ Opera 12+ For … Read more
What does !1 and !0 mean in Javascript?
The ! is the boolean NOT operator. NOT (!): toggles a statement from true to false or from false to true. This is a brilliant introduction to boolean operators and their use in javascript.
How do I embed PHP code in JavaScript?
If your whole JavaScript code gets processed by PHP, then you can do it just like that. If you have individual .js files, and you don’t want PHP to process them (for example, for caching reasons), then you can just pass variables around in JavaScript. For example, in your index.php (or wherever you specify your layout), you’d do something … Read more
Difference between this and self in JavaScript
Unless set elsewhere, the value of self is window because JavaScript lets you access any property x of window as simply x, instead of window.x. Therefore, self is really window.self, which is different to this. If you’re using a function that is executed in the global scope and is not in strict mode, this defaults to window, and therefore If you’re using a function in a different context, this will refer to that context, but self will still … Read more
jQuery AJAX submit form
You can use the ajaxForm/ajaxSubmit functions from Ajax Form Plugin or the jQuery serialize function. AjaxForm: or ajaxForm will send when the submit button is pressed. ajaxSubmit sends immediately. Serialize: AJAX serialization documentation is here.
CSS height 100% percent not working
You probably need to declare the code below for height:100% to work for your divs fiddle: http://jsfiddle.net/5KYC3/