When you use the same code to perform a routine operation, you can save it as Abstraction ? this and reuse that code over and over by simply typing in the whatever you name it. An example would be printf() if you are using a drag and drop web design program and want to insert a picture by dragging the picture element to the page, the actual code is written because of your actions even if you do Function not see the code. II II
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- in javascript Create a function that will load a new image from the website https://cataas.com/cat every 10 seconds, and will stop this interval when the SPACEBAR is pressed.1) How do you get the current URL in JavaScript? A) window.location.aB) window.location.currentURL C) window.location.search D) window.location.href 2) You wish to place the following code inside of a loop:x++;Which of the following loops would guarantee that the code is always executed at least once?: A) While B) Do while C) For D) Goto 3) All of the following are JavaScript coding best practices EXCEPT which one? A) Avoid using global variables. B) Avoid using the === comparison operator. C) Always declare local variables. D) Avoid declaring Number, String, or Boolean objectsBased on your algorithm(User valida- tion), write a program that does the same thing using HTML, CSS, and JavaScript. Use the scoring guide below: Import CSS design using link tag. The login page should be presentable. Import JavaScript using script tag Write JSON object in your JS file containing the following account: Username: john, Password: smith Username: mary, Password: woods Username: steve, Password: jobs •The program should be able to count the num- ber of login attempts. If it reaches the maximum threshold of 3 incorrect credentials, it should dis- able the login button. If the user was able to login with correct credentials(username and its corresponding password), use an alert to display ”successfully logged in!”. The program should be able to determine what goes wrong, for example, the ”user does not ex- ist” only appears when the username does not match to the accounts inside the JSON, and ”Incorrect password” if the username is correct…
- You must write Javascript code to loop thru the list of all products, produce the HTML code for each, append to previous products HTML, and output the whole resulting catalog on the screen. Reminder: syntax to read a property, example get the price of the second product in the list: products[1].price • If for a product the qty_in_stock is 0 , do not show the product on the web page • Your code must work with an array of any amount of product, do not hardcode the list of 6 products by copy/paste the HTML above ! You must use a for loop for example. If a product is removed or added to the list, the code doesn't need to be modified. • Note that when we click on the BUY button, it should be added to cart.”Hello, I am challenging myself by creating a website, but I have no idea how to code it. I have tried some code, but I cannot get very far. This is the code I have so far but I believe it is incorrect: Option Explicit OnOption Strict OnOption Infer Off Public Class Contact Inherits Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load End Sub Protected Sub btnSubmit_Click(sender As Object, e As EventArgs) Handles btnSubmit.Click ' Displays the item, price, and date of purchase. Dim strItemName As String Dim dblPrice As String Dim dtDate As DateTime Double.TryParse(txtItemName.Text, strItemName) End SubEnd Class I need to make it so text is entered in txtItemName, txtPrice, and txtSaleDate. txtItemName must be a string or letter value, txtPrice must be a double or number value, and txtSaleDate must be a date/time value. When all of those are entered, and btnCalculate is clicked, it needs to…Using comments within the code itself, can you provide an line by line explanation of the below JavaScript file? The file itself deals with WebGl and if that helps you. Please and thank you JavaScript file: function mat2() { var out = new Array(2); out[0] = new Array(2); out[1] = new Array(2); switch ( arguments.length ) { case 0: out[0][0]=out[3]=1.0; out[1]=out[2]=0.0; break; case 1: if(arguments[0].type == 'mat2') { out[0][0] = arguments[0][0][0]; out[0][1] = arguments[0][0][1]; out[1][0] = arguments[0][1][0]; out[1][1] = arguments[0][1][1]; break; } case 4: out[0][0] = arguments[0]; out[0][1] = arguments[1]; out[1][0] = arguments[2]; out[1][1] = arguments[3]; break; default: throw "mat2: wrong arguments"; } out.type = 'mat2'; return out; } //---------------------------------------------------------------------------- function mat3() { // v = _argumentsToArray( arguments ); var out = new Array(3); out[0] = new Array(3); out[1] = new Array(3); out[2] = new Array(3);…
- Having trouble with this debugging. new quotes should be visible everytime page loads up.CAN I GET THE OUTPUT ON THIS PROGRAM ALONG WITH THE CODE? 3) Write a java program for displaying one flag at a time from nine countries flags. You mayhave a base Form with nine buttons (you may use Listview to trigger the events as well or anyother method) and upon clicking one of the buttons (or selecting Listview item, or Combo boxitem) with the country name on it the image box / Label icon should display the country flag.In PYTHON make a request to Wikipedia page for a random topic. The request will be used so that a user can click a link that takes them to Wikipedia page for that random topic the link URL will be dynamically fetched via Wikipedia API (specifically, the MediaWiki Action API) (PLEASE IF POSSIBLE SHOW THE HOW THE CODE IS PUT INTO THE HTML FILE) THANKS.
- Using comments within the code itself, can you provide an line by line explanation of the below JavaScript file? The file itself deals with WebGl and if that helps you. Please and thank you JavaScript file: function MVbuffer(size) { var b = {}; b.buf = new Float32Array(size); b.index = 0; b.push = function(x) { for(var i=0; i<x.length; i++) { b.buf[b.index+i] = x[i]; } b.index += x.length; b.type = ''; } return b; } function isVector(v) { if(v.type == "vec2" || v.type == "vec3" || v.type == "vec4") return true; return false; } function isMatrix(v) { if(v.type == "mat2" || v.type == "mat3" || v.type == "mat4") return true; return false; } function radians( degrees ) { return degrees * Math.PI / 180.0; } //---------------------------------------------------------------------------- function patch() { var out = new Array(4); for(var i = 0; i< 4; i++) out[i] = new Array(4); out.type = "patch"; return out; } function curve() { var out = new Array(4); out.type = "curve";…this is related to php and html coding languages. basically i have 1 drop down list and two text boxes. once entries have been made into these , they are saved and can be viewed, however the saved entires for the drop down list and the 1st text box cannot be edited, howver the second text box can be. Can you give me an example of what this code moght look like. whats importnat to me is: why can i not edit the drop down list and the forst texr box? please provide code examples. To be clear: new entries are saved fine but I want to be able to edit the previously saved entry.Using comments within the code itself, can you provide an line by line explanation of the below JavaScript file? The file itself deals with WebGl if that helps you. Please and thank you JavaScript file: "use strict"; var canvas; var gl; var positions = []; var colors = []; var numTimesToSubdivide = 3; window.onload = function init() { canvas = document.getElementById("gl-canvas"); gl = canvas.getContext('webgl2'); if (!gl) alert("WebGL 2.0 isn't available"); // // Initialize our data for the Sierpinski Gasket // // First, initialize the vertices of our 3D gasket // Four vertices on unit circle // Intial tetrahedron with equal length sides var vertices = [ vec3(0.0000, 0.0000, -1.0000), vec3(0.0000, 0.9428, 0.3333), vec3(-0.8165, -0.4714, 0.3333), vec3(0.8165, -0.4714, 0.3333) ]; divideTetra(vertices[0], vertices[1], vertices[2], vertices[3], numTimesToSubdivide); // // Configure WebGL // gl.viewport(0, 0, canvas.width, canvas.height); gl.clearColor(1.0, 1.0, 1.0,…