TextEncoder and TextDecoder from the Encoding standard, which is polyfilled by the stringencoding library, converts between strings and ArrayBuffers: var uint8array = new TextEncoder().encode(“¢”); var string = new TextDecoder().decode(uint8array);
Unfortunately, that depends on your purpose. If you plan to use the images for purposes of style, your best bet is to use sprites. http://www.alistapart.com/articles/sprites2 However, if you plan to use the images in <img> tags, then you’ll want to pre-load them with function preload(sources) { var images = []; for (i = 0, length … Read more
I use the following example.xul: <?xml version=”1.0″?> <overlay id=”example” xmlns=”http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul”> <head></head> <script type=”application/x-javascript” src=”https://stackoverflow.com/questions/491490/jquery.js”></script> <script type=”application/x-javascript” src=”example.js”></script> </overlay> And here is an example.js (function() { jQuery.noConflict(); $ = function(selector,context) { return new jQuery.fn.init(selector,context||example.doc); }; $.fn = $.prototype = jQuery.fn; example = new function(){}; example.log = function() { Firebug.Console.logFormatted(arguments,null,”log”); }; example.run = function(doc,aEvent) { // Check … Read more
No need to pass anything in. The function used for addEventListener will automatically have this bound to the current element. Simply use this in your function: productLineSelect.addEventListener(‘change’, getSelection, false); function getSelection() { var value = this.options[this.selectedIndex].value; alert(value); } Here’s the fiddle: http://jsfiddle.net/dJ4Wm/ If you want to pass arbitrary data to the function, wrap it in … Read more
if (window.getSelection) { if (window.getSelection().empty) { // Chrome window.getSelection().empty(); } else if (window.getSelection().removeAllRanges) { // Firefox window.getSelection().removeAllRanges(); } } else if (document.selection) { // IE? document.selection.empty(); } Credit to Mr. Y.
Use a “closure”: $(edit_link).click(function(){ return changeViewMode(myvar); }); This creates an anonymous temporary function wrapper that knows about the parameter and passes it to the actual callback implementation.
No, there is not really any other way : if you have many locations and want to display them on a map, the best solution is to : fetch the latitude+longitude, using the geocoder, when a location is created store those in your database, alongside the address and use those stored latitude+longitude when you want … Read more
Actually, everything is typically stored as Unicode of some kind internally, but lets not go into that. I’m assuming you’re getting the iconic “åäö” type strings because you’re using an ISO-8859 as your character encoding. There’s a trick you can do to convert those characters. The escape and unescape functions used for encoding and decoding … Read more
Use state. Reacts docs are here. class MyComponent extends Component { constructor(props) { super(props); this.addActiveClass= this.addActiveClass.bind(this); this.state = { active: false, }; } toggleClass() { const currentState = this.state.active; this.setState({ active: !currentState }); }; render() { return ( <div className={this.state.active ? ‘your_className’: null} onClick={this.toggleClass} > <p>{this.props.text}</p> </div> ) } } class Test extends Component { … Read more
To replace a string in your HTML with another use the replace method on innerHTML: document.body.innerHTML = document.body.innerHTML.replace(‘hello’, ‘hi’); Note that this will replace the first instance of hello throughout the body, including any instances in your HTML code (e.g. class names etc..), so use with caution – for better results, try restricting the scope … Read more