jquery

问题 I would like to "live" update a DIV in the page with the text the user enter in a textarea. I have the following markup <div id="previewNote" class="note yellow" style="left:25;top:25px;z-index:1;"> <div class="body"></div> <div class="author"></div> <span class="data"></span> </div> and wrote this jQuery code /* Listening for keyup events on fields of the "Add Note" form: */ $("[ID$=NoteText]").live('keyup', function(e) { if (!this.preview) this.preview = $("[ID$=previewNote]"); /* Setting

问题 I am using the latest Chrome browser Version 55.0.2883.87 m. On input elements on a HTML web page, how do I dynamically over-ride the language of the Chrome browser spell checker using JQuery/JavaScript? For example if the page is displayed in English (US) and the spell checker is set to English (US), how can I pass in the German language code of de, so that the text area of all the input elements inside the form will spell check the input(s) with the German language and not the English (US)

问题 I am using the latest Chrome browser Version 55.0.2883.87 m. On input elements on a HTML web page, how do I dynamically over-ride the language of the Chrome browser spell checker using JQuery/JavaScript? For example if the page is displayed in English (US) and the spell checker is set to English (US), how can I pass in the German language code of de, so that the text area of all the input elements inside the form will spell check the input(s) with the German language and not the English (US)

问题 The Scenario is that I have lots of js files. Different files are called depending on different platforms. So I have a question as I want to load files Asynchronously. But the Execution of these files should be done synchronously. Currently I am doing this function call function loadScriptJs(src) { Console.log(' Call to file '+src); var file = document.createElement('script'), head = document.getElementsByTagName('head')[0]; file.type = 'text/javascript'; file.setAttribute("defer","defer");

问题 I am using the latest Chrome browser Version 55.0.2883.87 m. On input elements on a HTML web page, how do I dynamically over-ride the language of the Chrome browser spell checker using JQuery/JavaScript? For example if the page is displayed in English (US) and the spell checker is set to English (US), how can I pass in the German language code of de, so that the text area of all the input elements inside the form will spell check the input(s) with the German language and not the English (US)

问题 I have a form that submit value to the server though ajax. <form> <input id="titlee" name="titlee"> <input type="file" name="fileToUpload" id="fileToUpload"> <button type="submit" value="submit" id="submit" name="submit">Start</button> <div class="progress"></div> </form> Script <script type="text/javascript"> $(function() { $("#submit").click(function() { var titlee = $("#titlee").val(); var fileToUpload= $("#fileToUpload").val(); var dataString = 'titlee='+ titlee + '&fileToUpload=' +

问题 The Scenario is that I have lots of js files. Different files are called depending on different platforms. So I have a question as I want to load files Asynchronously. But the Execution of these files should be done synchronously. Currently I am doing this function call function loadScriptJs(src) { Console.log(' Call to file '+src); var file = document.createElement('script'), head = document.getElementsByTagName('head')[0]; file.type = 'text/javascript'; file.setAttribute("defer","defer");

问题 This question already has answers here : css selectors vs jquery traversal (2 answers) Closed 7 years ago . When would I use jQuery's .find()? For example, $('tr').find('.someClass'); is equivalent to $('tr .someClass') So, when would be a good example of when you would use .find() over a straight selector? Also, which is more performant? Is a selector quicker than .find() ? 回答1: The answer is whenever possible . It is always more performant than having children / multi-item / CSS / context

问题 I have a pagination that works correctly even I have added a filter to paginate more rows on the same page is to say that through the filter I can show 10 or 50 rows. The small defect that I have in my code is that the page is reloaded, changing how many rows show and the same happens in the buttons of the pagination. This is my code, everything is working on the same page index2.php . <div id="wrapper"> <div class="container"> <div id="news-header" class="bootgrid-header container-fluid">

问题 The main solution out there is: "Just throw a loading screen up until the page is loaded". But my goal is to build pages that present the basics very quickly, without a loading screen, and then transition in the images and fancy features when they're ready. So I'll wait till it's loaded, and then fade it in. Or I'll load in a very low res version and then fade in the high res when it's ready. The one aspect of this practice that I have not yet figured out is how to do it with background