Holla Tech-Learn

JAVASCRIPT Course Shortcut

This page contains a summary of the important lessons required to master JAVASCRIPT; Nevertheless, it is NOT a guarantee of Perfection in the JAVASCRIPT course.


GENERAL

<script> – The <script> tag is used to define a JavaScript. 

Var – Defines a Variable. 

Variable – Defined using the var keyboard, variables are used to store data values. 

Assignment operator – Used to assign values to variables. 

String – A series of characters treated as a single unit. 

Boolean – Represents one or two values: True or False. 

Array – Used to store multiple values in a single variable. 

Object – Containers for named values. 

Method – A function defined in an object. 

Undefined – A predefined global variable that is thew value of a variable or object that has not been initialized, or of a function that returns no value. 

Null – A JavaScript language keyword that is an object that represents the absence of a value. 

Math – The math object allows to perform mathematical tasks. 

Date – The Date object allows to work with dates. 

Constructor – Function that is written to be used with the new operator to initialize a newly created object. 

Numeric Literal – A number that appears directly in java

GetDate() – A Date method, that gets the day as a number (1-31) 

GetDay() – A Date() method that gets weekday as a number (0-6) 

GetFullYear() – A date method that gets the four digit year (yyyy) 

GetHours() – A Date method, That gets the milliseconds (0-999) 

GetMinutes() – A Date method, That gets the minutes (0-59) 

GetMonth() – A Date method, That gets the month (0-11) 

GetSeconds() – A Date method, That gets the seconds (0-59) 

GetTime() – A Date method, That gets the time (milliseconds since january 1, 1970) 

SetInterval – Calls a function or evaluates an expression at specified object model and programming interface for HTML. 

InnerHTML – Gets or sets the content of HTML elements 

GetElementById – Finds an element by element id 

GetElementByTagName – Finds element by tag name 

GetElementsByClassName – Finds element by class name. 

addEventListener  – Attaches an event handler to the specified element 

removeEventListener – Removes event handlers that have been attached with the addEventListener() method 

JSON – A format for storing and transporting data. 

XML – A markup language designed to describe data. 


CLICK ON THE wBUTTON BELOW TO GO TO THE JAVASCRIPT MAIN COURSE PAGE. 

JAVASCRIPT MAIN COURSE PAGE

 


© License: All Rights Reserved 


CONTACT HOLLA TECH – LEARN SUPPORT