Related to your title of this question: You can achieve the passing of data and objects through to child components through the use of attributes where you use your component. You really don’t need to use the DOM to access the elements on the page, and with React being highly dynamic in nature, the DOM … Read more
It looks like you’ve overcomplicated the problem. It can be as simple as function updateObj(obj,keyName,val) { obj[keyName] = val; return obj; } const bag = { color: ‘yellow’, hasMoney: false } console.log(updateObj(bag, ‘color’, ‘Blue’)); // => { color: ‘Blue’, hasMoney: false } const house = { sqFt: 1500, isOccupied: true } console.log(updateObj(house, ‘sqFt’, 2000)); // … Read more
The background color doesn’t let you see the animation, just comment it; form { height: 500px; width: 400px; /*background-color: #f4f7fc;*/ border: 2px solid; border-radius: 10px; box-shadow:8px 8px 5px; text-align: center; } 4 solved Why the same button animation cannot use inside form?
Something like this using jQuery? <script src=”https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js”></script> <select id = ‘first’> <option disabled selected>–select</option> <option>ABC</option> <option>123</option> </select> <select id = ‘second’ style=”display:none”> </select> <script> var optionsAbc=”<option>A</option><option>B</option>”; var options123 = ‘<option>1</option><option>2</option>’; $(“#first”).change(function() { $(“#second”).show(); var value = $(this).val(); if(value == ‘ABC’) { $(“#second”).html(optionsAbc); } else if (value == ‘123’) { $(“#second”).html(options123); } }); </script> 0 solved … Read more
The simplest way to do this: var input = document.getElementById(‘pac-input’); var output = document.getElementById(‘pac-output’); in jQuery is like this: var input = $(“#pac-input”); var output = $(“#pac-output”); Or, if you prefer the verbose form: var input = jQuery(“#pac-input”); var output = jQuery(“#pac-output”); And if you don’t know how to implement jQuery: <script src=”https://code.jquery.com/jquery-3.3.1.js”></script> <script> //Your … Read more
In JavaScript, how do I replace multiple values in a string with replace() function without using a regular expression? [duplicate] solved In JavaScript, how do I replace multiple values in a string with replace() function without using a regular expression? [duplicate]
You can use .querySelectorAll() to select all div elements with an id, iterate NodeList of div elements, attach click handler within a loop <div id=”1″></div> <div id=”2″></div> <div id=”3″></div> <div id=”4″></div> <div id=”5″></div><br> <div id=”6″></div> <div id=”7″></div> <div id=”8″></div> <div id=”9″></div> <div id=”10″></div><br> <div id=”11″></div> <div id=”12″></div> <div id=”13″></div> <div id=”14″></div> <div id=”15″></div><br> <div id=”16″></div> … Read more
Here is one way to do it. let sum = 0; let clicks = 0; $sum = $(“.sum”); $clicks = $(“#clicks”); $(“.combat”).on(“click”, function(){ if(clicks >= 5) return; clicks += 1; $clicks.text(`clicks:${clicks}`); const $this = $(this); const val = parseInt($this.text()); if(sum + val <= 100){ sum += val; $sum.text(`sum:${sum}`); } }); <script src=”https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js”></script> <div class=”container”> <table> … Read more
Why jquery? simply Do with new Date() var D1 = ‘2017-05-01 00:00:00’ var D2 = ‘Thu Jun 01 2017 16:12:08 GMT+0530’; console.log(new Date(D1).getTime(),new Date(D2).getTime()) 0 solved How to compare two dates with different formats in javascript [closed]
When you use class instead of id then you can do something like this. Get all the hello elements Create a random Index in the range from zero to the length of your elements Set the style.color of this random Index element in your helloElements to red let helloElements = document.querySelectorAll(“.hello”); let ind = (Math.floor(Math.random() … Read more
JavaScript is a client side programming language, this means that it only operates within the client (ie. your web browser). You cannot “send” a variable from one computer to another due to this fact. If you are interested in server-side programming languages PHP is very accessible and is of similar syntax to JS. But as … Read more
It looks like you’re attempting to match against <> and not <>. In addition, back slashes must be escaped within the RegExp constructor. Therefore: function regex() { let str1= “TT-DD-11-AZR\”><img src=x onerror=alert(1)>” let regex = new RegExp(“<img([\\w\\W]+?)>”, “g”); const match = regex.exec(str1); if (match) { //this comes as null return match; } } console.log(regex()) solved … Read more
Came up with this. (?:1(?=(?:11)*(?!1))|11|2) It basically just gets the first odd 1, then gets evens. https://regex101.com/r/UtbhsV/1 Explained (?: 1 # First, try 1 (?= # Must be followed by even amount of 1’s (?: 11 )* (?! 1 ) ) | 11 # Or, only even’s left, just get 11 | 2 # Or, … Read more
You’re comparing literal string rather than variables. You need to call the function selectDoor() to get the random index. The variable randomDoor scope is closed to selectDoor’s block. $(document).ready(function() { let doors = [“door1”, “door2”] function selectDoor() { const randomDoor = doors[Math.round(Math.random())] return randomDoor } const $door1 = $(‘.door1’) const $door2 = $(‘.door2’) $door1.click(function() { … Read more
you will require 2 loops, 1 will go through each element of Array3 and Second loop will be used to find the index value will be compared with Array2 to find index of Array 1 and then that index value will be saved in Array4 from Array1 for (var i = 0; i < Array3.length; … Read more