each | 易学教程

Accessing value of inputs within a div in each()

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问题 I have a bit of code that allows a user to add a new phone to a list like so const addPhone = async (phone) => { $('.phone-list').append(` <div class='phone-div'> <table"> <tbody> <tr> <td"> <p> <input class='type' type='text' value='${phone.type}'></input> </p> <p> <input class='detail' type='text' value='${phone.detail}'></input> </p> </td> </tr> </tbody> </table> </div>); }; Each time a user adds a new phone a new phone-div is added tothe list and turns up on screen. Now when the user taps

jQuery each function not working

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问题 I've got some p tags with the class PointsToggle <p class="PointsToggle">POINTS STATEMENT - AVAILABLE 7AM TOMORROW</p> <p class="PointsToggle">SOME OTHER TEXT</p> And some jQuery like this $('.PointsToggle').each(function() { if ($(this).text = 'POINTS STATEMENT - AVAILABLE 7AM TOMORROW') { $(this).css('width', '510px'); } else { $(this).css('width', '20px'); } }) But I can't seem to get it to work Any ideas? Thanks Jamie 回答1: $('.PointsToggle').each(function() { var $this = $(this); if (

Why is my jQuery script for checking required input fields so slow?

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问题 I am trying to use jQuery to check for required input fields for browsers that don't reccognise the required HTML tag. My jQuery script is as follow. $('div').on('submit', '#myform', function(e){ e.stopPropagation(); e.preventDefault(); $( ':input[required]').each( function (e) { if ( this.value.trim() == '' ) { $('.error').html(this.name + " is required"); return false; } }); $(this).unbind().submit(); }); But it is very slow to load! after I click the submit button for the form, it takes

How do I apply a function to an array and form two separate arrays?

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问题 I'm using Ruby 2.4. I have an array with string data elements, that look like ["a word1 word2", "b eff", "a idaho orange", "new old shoe", "b mars", ...] I want to form two arrays from the above, applying a function ( .split(/^(a|b)[[:space]]*/i ) to each element of the array. However, I can't figure out how to form two separate arrays. The following arr.map{ |x| x.split(/^(a|b)[[:space]]*/i) } only results in a single array and has a blank element in front of each element. Ideally, I'd like

problem in use of $.each?

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问题 Values the database row units for values salam & salavat : [this values inserted by json_encode() ] salam: [{"name_units":"salam","price_units":"74,554","checkbox_units":["minibar","mobleman"]},{"name_units":"mokhles","price_units":"4,851,269","checkbox_units":["mobleman","tv"]},{"name_units":"fadat","price_units":"85,642","checkbox_units":["minibar","mobleman","tv"]}] salavat: [{"name_units":"chaker","price_units":"5,452","checkbox_units":null},{"name_units":"khobe","price_units":"5,452,545"

jquery ajax cant loop thru the found data

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问题 I want to loop thru a file which is loaded with ajax, but it won't loop, i have tried a couple of things but I cant get it to work. // jquery $.ajax({ url: 'file.html', type: "GET", dataType: "html", success: function(data) { $(data).find('div').each(function(i){ alert('found') }); }, error: function(){ alert('oeps...') } }); // file.html <div> // content goes here </div> <div> // content goes here </div> <div> // content goes here </div> ... ... 回答1: You need to change .find to .filter .

jquery animation done

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问题 Ok so I have a tab class that is scrollable which works fine, but now I want to hide the controls if they cannot scroll in the direction that they are trying to go. so I have something like this; function tab_left(){ $(".tab_link").each(function(){ //animation here }); } Then I want to create a function that will make sure that none of them are animated(because if they are there position will not be correct). Then it will fix the image to either display or not. The problem I am having is

jquery animation done

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$.each() with nested array

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问题 First of all, forgive me if I didn't identify the right type of array, however I can't seem to figure this out. I'm trying to run this array in query: var myArray = {"artists":[{ "a1":"Adam Sandler", "a2":"Adam Lambert", "a3":"Avril Levine", "a4":"Backstreet Boys", "a5":"Blackstreet", "a6":"Black Eye Peas", "a7":"Cool and the Gang", "a8":"Chicago", "a9":"Charlie Manson" }], "songs":[{ "s1":"Grow Old With You", "s2":"Whatdaya Want From Me", "s3":"Yea yea", "s4":"Quit Playing Games With My

COMP3411/9414 Artificial Intelligence

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COMP3411/9414 Artificial Intelligence Summer session, 2019 Assignment 2 – Heuristics, Search and Learning Due: Monday 04 February, 11:59pm Marks: 20% of final assessment Question 1: Search Algorithms for the 15-Puzzle (4 marks) In this question you will construct a table showing the number of states expanded when the 15-puzzle is solved, from various starting positions, using four different searches: (i) Uniform Cost Search (with Dijkstra’s Algorithm) (ii) Iterative Deepening Search (iii) A Search (using the Manhattan Distance heuristic) (iv) Iterative Deepening A Search Go to the Open