createelement | 易学教程

Creating a div element inside a div element in javascript

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I'm trying a very basic example of creating a div inside an already existing div . It doesn't seem to be working when I use: document.getElementbyId('lc').appendChild(element) but works fine when I do this: document.body.appendChild(element) Do I need to add windows.onload function? Though it doesn't work even then! HTML code: <body> <input id="filter" type="text" placeholder="Enter your filter text here.." onkeyup = "test()" /> <div id="lc"> </div> </body> JS code: function test() { var element = document.createElement("div"); element.appendChild(document.createTextNode('The man who mistook

Should you add HTML to the DOM using innerHTML or by creating new elements one by one?

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There are two methods to add HTML-code to the DOM and I don't know what is the best way to do it. First method The first way is the easy one, I could simply add HTML-code (with jQuery) using $('[code here]').appendTo(element); which is much like element.innerHTML = [code here]; Second method Another way is to create all the elements one by one like: // New div-element var div = $('<div/>', { id: 'someID', class: 'someClassname' }); // New p-element that appends to the previous div-element $('<p/>', { class: 'anotherClassname', text: 'Some textnode', }).appendTo(div); This method uses core

`appendChild` inside a `for` loop just replaces item created by `createElement`

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问题 I Googled a lot about creating multiple items with appendChild , but I’m not understanding how it works. My appendChild just replaces instead of adding many. var startGame; var cards = 16; var newDeck = []; startGame = function(){ var startBtn = document.getElementById('start'); var board = document.getElementById('game-board'); var backside = document.createElement("div"); backside.className = 'card'; startBtn.onclick = function(){ removeButton = document.getElementById("start");

Dynamically Create Link Javascript

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问题 I'm trying to set my text as a link so that when I click on it, it runs a function. Right now I just have it set to google.com to try to get the text to appear as a link, but it doesn't seem to be doing anything at all. It's just static text. Any suggestions? var leftDiv = document.createElement("div"); //Create left div leftDiv.id = "left"; //Assign div id leftDiv.setAttribute("style", "float:left; width:66.5%; line-height: 26px; text-align:left; font-size:12pt; padding-left:8px; height:26px

javascript to create a button with onclick

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I'm trying to use javascript to create a button that has a onclick event that calls a function defined in the head that takes in as parameter a dom object relative to the button. how do i do this? ex: <html> <head> <script>function blah(obj){alert(obj.value)}</script></head> <body> <button onclick="blah(this.parentNode.value);"></button> </body> </html> javascript: var newButton = document.createElement("button"); ??? in the end i want the new button to be the same as the existing one. AlanFoster function createButton(context, func) { var button = document.createElement("input"); button.type =

Javascript Append Child AFTER Element [duplicate]

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This question already has an answer here: How to insert an element after another element in JavaScript without using a library? 17 answers I would like to append an li element after another li inside a ul element using javascript, This is the code I have so far.. var parentGuest = document.getElementById("one"); var childGuest = document.createElement("li"); childGuest.id = "two"; I am familiar with appendChild, parentGuest.appendChild(childGuest); However this appends the new element inside the other, and not after. How can I append the new element after the existing one? Thanks. <ul> <li id=

Creating a div element inside a div element in javascript

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问题 I'm trying a very basic example of creating a div inside an already existing div . It doesn't seem to be working when I use: document.getElementbyId('lc').appendChild(element) but works fine when I do this: document.body.appendChild(element) Do I need to add windows.onload function? Though it doesn't work even then! HTML code: <body> <input id="filter" type="text" placeholder="Enter your filter text here.." onkeyup = "test()" /> <div id="lc"> </div> </body> JS code: function test() { var

Javascript Append Child AFTER Element [duplicate]

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问题 This question already has an answer here: How to insert an element after another element in JavaScript without using a library? 17 answers I would like to append an li element after another li inside a ul element using javascript, This is the code I have so far.. var parentGuest = document.getElementById(\"one\"); var childGuest = document.createElement(\"li\"); childGuest.id = \"two\"; I am familiar with appendChild, parentGuest.appendChild(childGuest); However this appends the new element

The preferred way of creating a new element with jQuery

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问题 I\'ve got 2 ways I can create a <div> using jQuery . Either: var div = $(\"<div></div>\"); $(\"#box\").append(div); Or: $(\"#box\").append(\"<div></div>\"); What are the drawbacks of using second way other than re-usability? 回答1: The first option gives you more flexibilty: var $div = $("<div>", {id: "foo", "class": "a"}); $div.click(function(){ /* ... */ }); $("#box").append($div); And of course .html('*') overrides the content while .append('*') doesn't, but I guess, this wasn't your