jquery

问题 UPDATED : Please look code below: <div class='parent'> <div class='first'>whatever content</div> <div class='child1'></div> Paragraph 1 <br> Paragraph 2 <div class='child2'></div> <div class='child3'>whatever</div> i don't wanna this text <div class='last'>whatever</div> </div> How can I get text " Paragraph 1 Paragraph 2 " without text " I don't wanna this text " from that code? Thank you. NOTED : I CAN'T EDIT/CHANGE HTML CODE . 回答1: 1 - How to get only a content without tags: HTML: <div

问题 I have a web method GetNextImage in my client script. In ASPX page I have the following code. function slideshow() { $.ajax({ type: "GET", contentType: "application/json; charset=utf-8", url: "/RollingScreen.aspx/sample", dataType: "json", data: "{}", success: function (data) { //this changes the image on the web page $('#imgSlideShow').attr("src","~/Images/1.png"); //fires another sleep/image cycle setTimeout(slideshow(), 5000); }, error: function (result) { alert(result.message); } }); } $

问题 I thought I'd be able to do this by setting the context of the jQuery function to be the document of the iframe, something like: $(function(){//document ready $('some selector', frames['nameOfMyIframe'].document).doStuff() }); However this doesn't seem to work. A bit of inspection shows me that the variables in frames['nameOfMyIframe'] are undefined unless I wait a while for the iframe to load. However, when the iframe loads the variables are not accessible (I get permission denied type

问题 UPDATED : Please look code below: <div class='parent'> <div class='first'>whatever content</div> <div class='child1'></div> Paragraph 1 <br> Paragraph 2 <div class='child2'></div> <div class='child3'>whatever</div> i don't wanna this text <div class='last'>whatever</div> </div> How can I get text " Paragraph 1 Paragraph 2 " without text " I don't wanna this text " from that code? Thank you. NOTED : I CAN'T EDIT/CHANGE HTML CODE . 回答1: 1 - How to get only a content without tags: HTML: <div

问题 I have a React component that renders a list of items into three columns using Bootstrap's col col-md-4 styles. However, I need to insert a clearfix div after every third element to ensure that the next 'row' of elements displays in the correct place. My current render code looks like this: render() { var resultsRender = $.map(this.state.searchResults, function (item) { return <Item Name={ item.Name } Attributes={ item.Attributes } />; } return ( <div>{ resultsRender }</div> ); } Item simply

问题 I have an app that has gazillions of fields where some are are 'required' and some aren't and doing it using jQuery seems performance intensive. So I tried doing it using css but to no avail. So I have turned here to Stack Overflow! :) Let me put the code and try to explain what I want to achieve.This is from a Kendo UI for MVC wrapper, so it has some Kendo classes but it shouldn't change anything. This is what the wrapper code looks like when the page is first loaded (in the Chrome debug

问题 I am trying to make an ajax post to the same php page. Ajax: $("#loginForm").submit(function(e) { e.preventDefault(); var postData = $(this).serialize(); $.post("login.php", postData); }); The postData is correct and is in the following format: username=john&password=123123 PHP (same page): if (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') { echo 'Ajax Request Detected'; } However this if-check always returns false and the echo

问题 The "modal-2" id opens a modal for a survey. All I want is for this particular modal, to re-appear once every 24 hours after someone clicks the close button. $(document).ready(function(){ var modals = ['#events']; if (window.location.hash && ~modals.indexOf(window.location.hash)) { $(window.location.hash).modal(); } $("#modal-2").modal('show'); $(".modal:not(.noclose)").on("click","a",function(){ $(this).closest(".modal").modal("hide"); }); }); 回答1: You can set current timestamp Date.now() to

问题 This question already has answers here : JavaScript, browsers, window close - send an AJAX request or run a script on window closing (9 answers) Closed 4 years ago . My Main GOAL and actual scenario: If two users share the same credentials, then the second user can not login into the system until the first one who is already logged in, log outs system. Actually I want to set login_flag=0 on server database, when user closes the browser window. I googled and figured out to send an ajax request

问题 The "modal-2" id opens a modal for a survey. All I want is for this particular modal, to re-appear once every 24 hours after someone clicks the close button. $(document).ready(function(){ var modals = ['#events']; if (window.location.hash && ~modals.indexOf(window.location.hash)) { $(window.location.hash).modal(); } $("#modal-2").modal('show'); $(".modal:not(.noclose)").on("click","a",function(){ $(this).closest(".modal").modal("hide"); }); }); 回答1: You can set current timestamp Date.now() to