Java Script Online Test

getElementByTagName()

getElementById()

getElementByClass()

querySelector()

JavaScript interpreter processes programs written in Java.

JavaScript interpreter processes commands in a script written in JavaScript.

Java and JavaScript are almost similar

JavaScript cannot be embedded in HTML.

LimeScript

ECMScript

Coffee Script

ECMAScript

push()

pop()

shift()

unshift()

It is triggered when an element is clicked

It is triggered when an element gains focus

It is triggered when an element is hovered

It is triggered when the window is resized

Access databases directly

Reduce server load and increase interactivity

Compile HTML code

Replace server-side scripting

To style HTML Pages

To perform server-side scripting operation

To execute query related to DB on server

To add interactivity to HTML Pages

stopImmediatePropagation()

preventDefault()

stopPropagation()

cancelPropagation()

shift()

pop()

remove()

delete()

replaceNode()

replaceElement()

replaceChild()

replaceWith()

onsize

onresize

onzoom

onexpand

onerror

onexception

onwarning

onfail

element.background = "red";

element.style.backgroundColor = "red";

element.style.background = "red";

element.css.backgroundColor = "red";

insertBefore()

insertAfter()

appendChild()

prependChild()

oninput

onchange

onedit

onupdate

innerHTML

innerText

textContent

All of the above

Microsoft

Sun Microsystems

Netscape

Oracle

hasChildNodes()

childNodes

children

hasChildren()

onchange

onkeydown

oninput

onkeypress

.html

.java

.js

.css

To Perform Server Side Scripting Opertion

To Execute Query Related to DB on Server

To add interactivity to HTML Pages

To Style HTML Pages

oncontextmenu

onmousedown

onrightclick

onselect

element.getChildren()

element.childNodes

element.getElementsByTagName()

element.getChildNodes()

Remove the element with the ID "myDiv" from the DOM

Remove all child elements inside the element with the ID "myDiv"

Hide the element with the ID "myDiv"

Move the element with the ID "myDiv" to a different location

onprogress

onload

onerror

oncomplete

element.innerHTML

element.value

element.content

element.innerText

CSS

Python

HTML

JavaScript

onblur fires when an element loses focus, and onfocus fires when an element gains focus

Both events fire when the window is minimized

Both events trigger when the page is loaded

onblur fires when an element is clicked, and onfocus fires when the mouse moves over an element

onkeypress

onkeydown

onkeyup

onkeyrelease

document.getElementByClassName()

document.getElementsByClassName()

document.querySelectorAll(".class")

Both b and c

upload

load

onmouseout

onmouseover

onmove

onscroll

onchange

onresize

onload

DOMContentLoaded

onstart

oninit

onkeypress

onkeydown

onkeyup

All of the above

Client Side

Server Side

Both A and B

None of These

When the function is defined as a looping statement

When the function is defined as expressions

When the function is predefined

All of the above

classList.add()

classList.remove()

classList.toggle()

classList.replace()

getElement()

getElementById()

getId()

queryElement()

onchange

onsubmit

oninput

onreset

element.addEvent()

element.addEventListener()

element.attachEvent()

element.onEvent()

element.addEventListener("click", function);

element.addEventHandler("click", function);

element.attach("click", function);

element.on("click", function);

removeAttr()

deleteAttribute()

removeAttribute()

deleteAttr()

insertBefore()

insertPrevious()

appendBefore()

addBefore()

onblur

onfocus

onclick

onsubmit

document.getElementByTagName()

document.getElementsByTagName()

document.querySelectorAll()

document.tagName()

wait()

pause()

setTimeout()

setInterval()

getElement(id)

getElementById(id)

getElementById()

elementById(id)