function has_scrollbar(elem_id) { const elem = document.getElementById(elem_id); if (elem.clientHeight < elem.scrollHeight) alert(“The element has a vertical scrollbar!”); else alert(“The element doesn’t have a vertical scrollbar.”); } See this jsFiddle http://jsfiddle.net/qKNXH/
The trick is to show the element (display:block) but also hide it (visibility:hidden) and to set it’s position to absolute so that it doesn’t affect the page flow. The MooTools Element.Measure class does this, as Oscar mentioned.
Using chrome : Open the Web Inspector Show the console and check if the var you’re searching for exists (ex : Native Enter) Click on the Resources panel Enter Native=, var Native or Native = in the top right search field You’ve got your result ! Here, there’s only one result for the Native= search. … Read more
jQuery seems to be nicely backward compatible. I have been using it for more than a couple of years now through several versions of the core and have not had issues when upgrading except a few minor ones with some plugins. I would say that the core seems to be fine but if you’re using … Read more
getBoundingClientRect() returns the correct values for me. jsFiddle.
It is the jQuery nightly build from github… jQuery JavaScript Library v1.6.3pre Live From Git (b22c9046529852c7ce567df13397849e11e2b9cc) Here is the link: link (jsfiddle uses this) Here is the jQuery github link: github-link
You need to store the values on touchmove and read it in touchend. var lastMove = null; // Save the touchstart to always have a position div.addEvent(‘touchstart’, function(event) { lastMove = event; }); // Override with touchmove, which is triggered only on move div.addEvent(‘touchmove’, function(event) { lastMove = event; });
If you don’t have control over the framed site, you cannot circumvent the cross-domain policy. If you have control over both sites, you can use the postMessage method to transfer data across different domains. A very basic example: // framed.htm: window.onmessage = function(event) { event.source.postMessage(document.body.innerHTML, event.origin); }; // Main page: window.onmessage = function(event) { alert(event.data); … Read more
That’s an odd question… I get the impression that… you are very familiar with mootools and take full advantage of its OOP model, making your code easier to manage and support already. you realise that jQuery’s purpose is somewhat different and tweaked towards DOM manipulation and AJAX and that mootools does do everything jQuery does … Read more
JavaScript has a RegExp object which does what you want. The String object has a match() function that will help you out. var matches = text.match(/price\[(\d+)\]\[(\d+)\]/); var productId = matches[1]; var shopId = matches[2];