I am trying to make it so when the user clicks on the name of a person in the list, the box of data on the right side of the screen fills with the description from my JSON file.
I want to make it so that clicking any list item runs an actual AJAX request. The data returned from that request must then be used to fill the box on the right side of the page.
Any ideas or previous thread you could lead me to would be very appreciated. I've tried many things and have not succeeded.
Can I somehow make each word on the list a clickable element? Maybe with event listener?
Thanks,
Heres my code which is is 3 separate files whis are "html file, javascript file and a json file"
<!DOCTYPE html>
<hmtl lang="en">
<head>
<meta charset="utf-8" />
<title>AJAX</title>
<link rel="stylesheet" href="styles.css" type="text/css" />
<script src="jquery.js" type="application/javascript"></script>
<script src="ajax.js" type="application/javascript"></script>
</head>
<body>
<div id="loaded-data"></div>
<div id="result-box"></div>
</body>
</hmtl>
/* ajax.javascript file */
'use strict';
$(function() {
let request = $.ajax({
method: 'GET',
url : 'people.json',
dataType: 'json',
});
request.done(function(data) {
let list = data.body.list;
let resultBox = $('#result-box');
let unorderedList = $('<ul>');
resultBox.append(unorderedList);
console.log(data);
for (let person of list) {
let listItem = $('<li>');
listItem.text(person.name);
listItem.attr('data-url', person.links[0].href);
unorderedList.append(listItem);
}
});
request.fail(function(response) {
console.log('ERROR: ' + response.statusText);
});
});
{
"links":[{"rel":"self","href":"http://www.philart.net/api/people.json"},{"rel":"parent","href":"http://www.philart.net/api.json"}],
"head":{"title":"People","type":"listnav"},
"body":{
"list":[
{"name":"Adam","links":[{"rel":"self","href":"http://www.philart.net/api/people/325.json"}]},
{"name":"Abigail Adams","links":[{"rel":"self","href":"http://www.philart.net/api/people/157.json"}]},
{"name":"John Adams","links":[{"rel":"self","href":"http://www.philart.net/api/people/410.json"}]},
{"name":"Samuel Adams","links":[{"rel":"self","href":"http://www.philart.net/api/people/439.json"}]},
{"name":"Lin Zexu","links":[{"rel":"self","href":"http://www.philart.net/api/people/347.json"}]},
{"name":"James A. Zimble","links":[{"rel":"self","href":"http://www.philart.net/api/people/345.json"}]},
{"name":"Doris Zimmerman","links":[{"rel":"self","href":"http://www.philart.net/api/people/171.json"}]}
]
}
}
You just need a handler like this:
let displayPersonData = (person) => {
console.log(person)
}
Then, while rendering list of person, you add event listener like below:
for (let person of list) {
let listItem = $('<li>');
listItem.text(person.name);
listItem.attr('data-url', person.links[0].href);
unorderedList.append(listItem);
listItem.on('click', () => {
displayPersonData(person)
});
}
You can add class to <li> tags so they act like hyperlink. And customize displayPersonData to do what you want.
As Doug Nguyen stated, you will need an event handler.
let displayPersonDescription = person => {
let html = '';
html += person.links.reduce((a, c) => {
//put your formating logic in here
//i.e.
return a + `${c.href}`;
}, '');
html += person.body.art.reduce((a, c) => {
//additional formating logic here
}, '');
// continue this pattern for all the sections you want to include
//...
// Finally load the data into the loaded-data div
$("#loaded-data").html(html);
}
Here is the updated section of your code to implement the handeler
for (let person of list) {
//clear the loaded data div
$(#loaded-data).html('');
let listItem = $('<li>');
listItem.text(person.name);
listItem.attr('data-url', person.links[0].href);
unorderedList.append(listItem);
listItem.on('click', function () {
$.ajax({
method: 'GET',
url: this.dataSet.url,
dataType: 'json',
})
.done(displayPersonDescription(person))
.fail(failureData => console.log(`Error: ${JSON.stringify(failureData)}`));
});
}
Related
Without page refresh, I am calling an ajax request that goes to the controller and brings a Thymeleaf fragment,
On button click, I request the controller using ajax to get the fragment. Every Time I click on the button same fragment gets called but with a different <p> tag innerHTML.
<div id="express" th:fragment="Display">
<p id="app">Include details about your goals</p>
</div>
For the first time, js works very well, split into an array and add span tag but the issue with the new content which is dynamically replaced.
The issue is on the javascript side when the new fragments with different innerHTML inside of the <p> tag come the Javascript did not work. I need to refresh the page to re-run the js which I don't want to refresh.
here is the js
let comp = document.getElementById("app").innerHTML;
let struct = comp.split(" ");
document.getElementById("app").innerHTML = struct.reduce((acc, word, index) => {
return `${acc} <span class="word">${word}</span>`;
}, "");
const handleClick = () => {
axios.post(url)
.then(response => {
console.log(response.data);
$("#express").replaceWith($recievedHTML);
})
.catch(error => {
console.log(error);
});
}
Let's say you have your HTML page, which has your JS file or you have added your JS inside <script> tag directly. Something like ...
<!DOCTYPE HTML>
<html lang="en-US">
<head>
<script src="/path/lib/jquery/3.5.1/jquery.min-dc5e7f18c8d36ac1d3d4753a87c98d0a.js" type="text/javascript"></script>
<script src="/path/js/your_file.min-cf4fcae72d4468307341eac1012bb6d8.js" type="text/javascript"></script>
</head>
<body>
<div id="express" th:fragment="Display">
<p id="app">Include details about your goals</p>
</div>
</body>
</html>
Javascript for this page may look like ...
$(function() {
function my_load_function() {
// do your loading procedures here
// for example I just copied your inline code...
let comp = document.getElementById("app").innerHTML;
let struct = comp.split(" ");
document.getElementById("app").innerHTML = struct.reduce((acc, word, index) => {
return `${acc} <span class="word">${word}</span>`;
}, "");
}
function my_do_something_else_function() {
// dosomething else over here
}
const handleClick = () => {
axios.post(url)
.then(response => {
console.log(response.data);
// what is '$recievedHTML'? should it be response.data?;
// ayway, you said replacement works;
$("#express").replaceWith($recievedHTML);
// after this call any function again
my_load_function();
my_do_something_else_function();
})
.catch(error => {
console.log(error);
});
};
// call your loading function first time
my_load_function();
});
I have put my additional explanation in the comments of JS code. Please note, I just write it directly in SO and didn't even try to run, so there are maybe some typos.
This is my first post, hoping someone can help me:
I wish to build a web project, where all the HTML elements are stored in database and taken from it to build the web page.
i found a problem with the buttons, i cannot find a way to store the function for a button, i´m using Jquery to build the elements, for now the test element definitions are simulated in some arrays i left at the start of my Js file, the only way i can make the buttons to work is if the functions are hardcoded in the Js file, is there a way for me to bring the functions from database too? and having them in an array?
this is my project sample:
HTML
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<!--script src="functions.js"></script-->
<script src="system.js"></script>
<!--script src="elements.js"></script-->
</head>
<body>
<body onload="addElements()">
<div id="div1"></div>
</body>
</html>
JS File
/**
VARIABLE DEFINITIONS
THESE ARE SUPPOSED TO COME FROM A DATABASE
STILL UNKNOWN HOW TO BRING THE FUNCTIONS, AS STRING THEY ARE NOT ALLOWED. FOR NOW THERE ARE TEST FUNCTIONS.
**/
let buttonIds = ['btn1', 'btn2'];
let buttonText = ['Show Text', 'Show HTML'];
let buttonFunc = [alert1, alert2];
//let buttonFunc = ['alert("Hi");', 'alert("Hello");'];
let paragraphs = ['This is some <b>bold</b> text in a paragraph.', 'another <b>bold</b> test'];
//HELPER FUNCTIONS
// **** THESE ARE SUPPOSED TO COME FROM DATABASE, UNKNOWN HOW TO DO IT. ****
function alert1() {
alert("Hi");
}
function alert2(){
alert("Hello");
}
function addElements(){
for(var p=0; p<paragraphs.length; p++){ addParagraphs('#div1', paragraphs[p]); }
for(var i=0; i<buttonIds.length; i++) { createButton( '#div1', buttonIds[i] , buttonText[i]); }
}
// ANY ELEMENTS FUNCTION IS DEFINED HERE ONCE THE PAGE IS LOADED.
$(document).ready(function(){
for(var x=0;x<buttonIds.length; x++){ activateButton(buttonIds[x], buttonFunc[x]); }
});
//HELPER FUNCTIONS USED TO BUILD THE HTML ELEMENTS ON THE MAIN PAGE.
function addParagraphs(location, text){
$(location).append('<p id="test">'+text+'</p>');
}
function createButton(location, id, text){
var definition;
definition = "<button id="+id+">"+text+"</button>";
$(location).append(definition);
}
function activateButton(buttonId, functionName){
var composedId = "#"+buttonId;
$(composedId).click(functionName);
}
You can generate Javascript file serverside with all the funcions you need.
Supposing Node.js you can do something like this:
expressApp.get("some.js", (req, res) => {
getDataFromDatabase() // depends on your database
.then(data => {
let body = 'function your_fn () { alert("'+ JSON.stringify(data) +'")}';
res.send(body);
})
});
One approach is use an object to store the functions in javascript and use property names stored in db to associate which function to use for which element.
Without knowing more about your use case it is hard to really help design a proper system to use
Following is a very basic example
// functions stored in js file
const funcs = {
f1: function(e){ console.log('func one called , id = ', this.id)},
f2: function(e){ console.log('func 2 called , id = ', this.id)}
}
// data from database
const elems = [
{id: 1, className: 'one', func:'f1', text:'Item 1'},
{id: 1, className: 'two', func:'f2', text:'Item 2'}
]
elems.forEach(e => {
const $el= $('<div>', {id: e.id, class: e.className, text:e.text, click: funcs[e.func]})
$('body').append($el);
});
div {margin:1em;}
.one {color:red;}
.two {color:green;}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<strong>Click on items</strong><br><br>
function createPost(){
$('#body').append("<p>Welcome to calmspace.</p>");
}
How would I utilize user input so the user can create a post with their own message? I am a newbie with jQuery so if this is a stupid question please forgive me. Possible duplicate but I couldn't find another post like this.
First things first - you should not have added '#' in front of body, it'd mean that the body element is of id 'body', assigning id to an element that is unique does not bear that much sense, instead you should just target the tag - $('body').
In order to provide some sort of message you first have to capture it, for instance using some sort of input. Here is a working demo.
$('#submit').click(function(){
createPost($('#text').val());
})
You read it as follows, grab element of id 'submit', assign it a click event, grab the value of input box of id 'text' and pass it to a function named create post which accepts a string parameter and then prints it in a <p> tag.
#Simion Benderschii a working example of a post which appends to the document or sends via ajax. Hope this helps
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<title>JS Bin</title>
</head>
<body>
<div>
<h2>Enter your post here</h2>
<form>
<textarea id='user-input-post'></textarea>
<div>
<button id=user-post-button>Post</button>
</div>
</form>
</div>
<div>
<h2>Below are your posts</h2>
<ul id='user-post-display'>
</ul>
</div>
</body>
<script>
/*possible options can be
'display' - which shows the post in the UI in a unordered list
'ajax' - which send the post to the server via ajax
*/
var post_type = 'display';
//the id of the list where the post will be appended
var list_id = '#user-post-display';
//the id where the post will be entered
var post_id = '#user-input-post';
//the id of the button which triggers some action
var button_id = '#user-post-button';
//this gets the post from the textarea
var get_post = function() {
var post = $(post_id).val();
return encodeURIComponent(post);
};
//this appends the post to the list
var append_post = function() {
var post = get_post();
var html_string = '';
if (post) {
html_string = '<li>' + post + '</li>';
$(list_id).append(html_string);
}
};
//this sends the post via ajax and triggers callbacks
var send_post = function() {
var post = get_post();
var post_created_on = Date.now();
var url = 'dummy_url_for_posting';
$.ajax({
method: 'POST',
url: url,
data: { data: {
post: post,
post_created_on: post_created_on
}}
})
.done(function() {
window.alert('post success');
})
.fail(function() {
window.alert('post fail');
})
.always(function() {
window.alert('post triggered');
});
}
//main function which is the entry point
var main = function() {
$(button_id).on('click', function() {
event.preventDefault();
debugger;
if (post_type === 'display') {
append_post();
} else if (post_type === 'ajax') {
send_post();
}
});
};
//triggers the main function
main();
</script>
</html>
I am not exactly sure what you want to do from your question. In future questions you will find it helpful to provide more detail on exactly what you want to do with your application or function.
The basic idea here is to use a button or any action you can capture with jQuery (like pressing enter or checking $(element).on('click',... and then putting that info where you want using $(element).html(...) or .append(...).
Here is a fiddle I made with the rough idea. Try to use this fiddle tool a lot, and you can also post the link to what you have tried in future questions. Good luck :-)
JSFiddle example of submitting a post
I want to make a html which will auto get the information for a *.txt file
something1
something2
something3
and output into this html file
<!DOCTYPE html>
<html>
<head>
<title>List</title>
</head>
<body>
<ul>
#here to output#
</ul>
</body>
</html>
I prefer to use JavaScript. Some help is appreciated.
You have to request the file using AJAX call. Then you need to iterate through each line of response and generate DOM element (li in this case) and input line inside of it. After that insert each li element into your ul list.
You can achieve it using jQuery as you are probably new to JavaScript it's probably the easiest way.
What you need to do is request the file first:
$.ajax('url/to/your/file', {
success: fileRetrieved
});
Now after the file is retrieved jQuery will call fileRetrieved method, so we have to create it:
function fileRetrieved(contents) {
var lines = contents.split('\n');
for(var i = 0; i < lines.length; i += 1) {
createListElement(lines[i]);
}
}
Now for each line from the file function fileRetrieved will call createListElement function passing line of text to it. Now we just need to generate the list element and inject it into DOM.
function createListElement(text) {
var into = $('ul');
var el = $('<li></li>').html(text);
el.appendTo(into);
}
Of course you don't want to retrieve into element each time createListElement is called so just store it somewhere outside the function, it's your call, I'm just giving you the general idea.
Here is an example of the script (without AJAX call of course as we can't simulate it):
var into = $('#result');
function fileRetrieved(contents) {
var lines = contents.split('\n');
for (var i = 0; i < lines.length; i += 1) {
createListElement(lines[i]);
}
}
function createListElement(text) {
var el = $('<li></li>').html(text);
el.appendTo(into);
}
var text = $('#text').html();
fileRetrieved(text);
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<!-- This element simulates file contents-->
<pre id="text">
fdsafdsafdsa
fdsafd
safdsaf
dsafdsaf
dsafdsafds
afdsa
</pre>
<div id="result"></div>
Try this
<html>
<head>
<title>List</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
</head>
<body>
<ul id="renderTxt_list">
</ul>
<input type="button" id="lesen" value="Read Data" />
</body>
<script>
$(document).ready(function(){
$("#lesen").click(function() {
$.ajax({
url : "testTxt.txt",
dataType: "text",
success : function (data) {
$html = "";
var lines = data.split("\n");
for (var i = 0, len = lines.length; i < len; i++) {
$html += '<li>'+lines[i]+'</li>';
}
$("body ul").append($html);
}
});
});
});
</script>
</html>
You need to request the file first, and then append it to your chosen place in the document.
You can for example use jQuery's get (or any other function like the native fetch), and then inject it into the ul element:
$.get("*.txt").then(x => $("ul").html("<li>" + x.split('\n').join('</li><li>') + "</li>"))
Let's break this solution by steps:
First, we need to request the external file:
$.get("*.txt")
Read about jQuery's get here. Basicly it will request the file you asked for using network request, and return a promise.
In the Promise's then, we can do stuff with the request's result after it is resolved. In our case we want to first break it by lines:
x.split('\n')
split will return an array that will look like this: ["line 1, "line 2", "line 3"].
JS arrays have the join method, which concat them to string while putting the string you want between the items. So after we do this:
x.split('\n').join('</li><li>')
We only need to add the <li> element to the start and end of the string like this:
"<li>" + x.split('\n').join('</li><li>') + "</li>"
Finally we appent it to your chosen element using jQuery's html.
I'm new in Jquery, I would like to have Jquery code to get the current page url and if the url contains certain string then load remote element.
example:
i have the page urls like this:
"http://......./Country/AU/result-search-to-buy"
"http://......./Country/CA/result-search-to-buy"
"http://......./Country/UK/result-search-to-buy"
the part "/Country/AU" is what I need to determine which page element I should load in, then if "AU" I load from "/state-loader.html .state-AU", if "CA" I load from "/state-loader.html .state-CA"
I have a builtin module "{module_pageaddress}" to get the value of the current page url, I just dont know the Jquery logic to let it work.
I expect something like this:
if {module_pageaddress} contains "/Country/AU/"
$('#MyDiv').load('state-loader.html .state-AU');
if {module_pageaddress} contains "/Country/CA/"
$('#MyDiv').load('state-loader.html .state-CA');
please help and many thanks.
Here is some code:
<!DOCTYPE html>
<html>
<head>
<title>jQuery test page</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
function loadContent(elementSelector, sourceURL) {
$(""+elementSelector+"").load(""+sourceURL+"");
}
function stateURL() {
var startOfResult = '../../state-loader.html #state-';
var match = (/(?:\/Country\/)(AU|US|CA|UK)(?:\/)/).exec(window.location.pathname);
if (match) {
return startOfResult + match[1];
} else {
return startOfResult + 'AU';
}
}
</script>
</head>
<body>
Link 1
<div id="content">content will be loaded here</div>
</body>
</html>
And the file to load the different content for the states:
<!DOCTYPE html>
<html>
<head>
</head>
<body>
<div id="state-US">Go USA!</div>
<div id="state-CA">Go Canada!</div>
<div id="state-AU">Go Australia!</div>
<div id="state-UK">Go United Kingdom!</div>
</body>
</html>
See it work here:
http://www.quirkscode.com/flat/forumPosts/loadElementContents/Country/US/loadElementContents.html
Replace .../US/... with .../AU/..., etc. to see how it behaves.
Original post where I got the ideas/original code:
http://frinity.blogspot.com/2008/06/load-remote-content-into-div-element.html
You can try
var countryCode = ... // parse the country code from your module
$('#yourDiv').load('state-loader.html .state-' + countryCode);
See more examples of .load() here.
As far as pulling the url path you can do the following
var path_raw = document.location.path,
path_array = path_raw.split("/");
Then, you could do something like this:
$.ajax({
url: "./remote_data.php?country=" + path_array[0] + "&state=" + path_array[1],
type: "GET",
dataType: "JSON",
cache: false,
success: function(data){
// update all your elements on the page with the data you just grabbed
}
});
Use my one line javascript function for getting an array of the URL segments: http://joshkoberstein.com/blog/2012/09/get-url-segments-with-javascript
Then, define the variable $countrySegment to be the segment number that the country code is in.
For example:
/segment1/segment2/CA/
(country code would be segment 3)
Then, check if the 3rd array index is set and if said index is either 'CA' or 'AU'. If so, proceed with the load, substituting in the country-code segment into the .html filename
function getSegments(){
return location.pathname.split('/').filter(function(e){return e});
}
//set what segment the country code is in
$countrySegment = 3;
//get the segments
$segments = getSegments();
//check if segment is set
//and if segment is either 'AU' or 'CA'
if(typeof $segments[$countrySegment-1] !==undefined && ($segments[$countrySegment-1] == 'AU' || $segments[$countrySegment-1] == 'CA')){
$countryCode = $segments[$countrySegment-1];
$('#target').load('state-loader.html .state-' + $countryCode);
}
var result= window.location.pathname.match(/\/Country\/([A-Z]+)\//);
if(result){
$('#MyDiv').load('state-loader.html .state-' + result[1]);
}