the following sentences contain no error: xhttp = new ActiveXobject("Microsoft.XMLHTTP"); xhttp.send(0; xhttp.open("GET", "ajax_info.txt", false); Select one: O True O False
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- Store a new XMLHttpRequest object in the xhr variable, then assign requestHandler function as the "error" event listener.function requestHandler() {console.log("handling response: " + this.responseText);}Please, explain. Thank you! Examine the following code. function getData() { var url = "ajaxdata/citStudents.txt"; var request = new XMLHttpRequest(); request.open("GET", url); request.onreadystatechange = function() { if (request.readyState == 4 && request.status == 200) { alert(request.responseText); } }; request.send(null); } What does it mean if the condition (request.readyState == 4 && request.status == 200) evaluates as true? it means there were was an HTTP error and that the data will not be returned to the browser. it means there were no http errors and that the data has been returned to the browser. it means the request has been sent and data will be back in 200 milliseconds or less.Examine the following code. function getData() { var url = "ajaxdata/citStudents.txt"; var request = new XMLHttpRequest(); request.open("GET", url); request.onreadystatechange = function() { if (request.readyState == 4 && request.status == 200) { alert(request.responseText); } }; request.send(null); } What does it mean if the condition (request.readyState == 4 && request.status == 200) evaluates as true? it means there were no http errors and that the data has been returned to the browser. it means there were was an HTTP error and that the data will not be returned to the browser. it means the request has been sent and data will be back in 200 milliseconds or less.
- 3-Fully explain the following code and draw all possible outputs. The XMLHttpRequest Object Change Content function loadDoc() { const xhttp = new XMLHttpRequest(); xhttp.onload = function() { document.getElementById("demo").innerHTML = } this.responseText; xhttp.open("GET", "ajax_info.txt"); xhttp.send(); } The following is ajax_info.txt AJAX AJAX stands for Asynchronous JavaScript And XML.Q1. Alter Character casing. Write the source code of a “self-calling/self-processing” PHP page. This page should ask a string(text) from the user and then when submitted via POST method; should display the string(text) as it is submitted, and in altered casing characters (if applicable). Note that altering should start with a capital letter(the first character is always capital). The sample run is presented below. Hint: The location of characters(indexes) is very important.6-Fully explain the following code and draw all possible outputs. { $(document).ready(function() $("button").click(function () { $("#div1").remove(); }); }); This is some text in the div. This is a paragraph in the div. This is another paragraph in the div. Remove div element
- How do I change numCastMembers retrieved to 1 to numCastMembers retrieved to 0? Test: OK --- method getNumMinutes exists OK --- method getNumCastMembers exists OK --- method getMovieName exists OK --- method isKidFriendly exists OK --- method getCastMembers exists OK --- movieName retrieved Flick OK --- numMinutes retrieved to 0 OK --- isKidFriendly retrieved to false OK --- numCastMembers retrieved to 1 OK --- getCastMembers returns copy of the original array with the same content OK --- movieName retrieved Tape OK --- numMinutes retrieved to 10 OK --- isKidFriendly retrieved to true OK --- numCastMembers retrieved to 3 OK --- getCastMembers returns copy of the original array with the same content OK --- movieName retrieved Screening OK --- numMinutes retrieved to 120 OK --- isKidFriendly retrieved to false OK --- numCastMembers retrieved to 5 OK --- getCastMembers returns copy of the original array with the same content OK --- movieName retrieved Film OK --- numMinutes retrieved to…In Javascript please. Use the isNaN() function in validateForm() to verify the user age is a number. Display "Invalid user age" in the console log if the user age is not a number. Use the preventDefault() function to avoid submitting the form when the input is invalid. let form = document.getElementById("userForm"); function validateForm(event) { let userAge = form.userAge.value; // solution goes here } form.addEventListener("submit", validateForm);Which procedure in the link library displays “Press [Enter] to continue. . .” and waits for theuser to press the Enter key?
- Please Help with Java Script eventListeners 1. Add an event listener to the button with an id of "button1". Listen for the click event. The button should change the text content of the paragraph with an id of "p1" to:"Hello World! I'm listening to events." This did NOT work://const button1 = document.querySelector("button1");//const p1 = document.querySelector("p1");//const click = () => {// alert("Hello World! I'm Listening to events.");//} //button1.addEventListener("click", p1, false); This did NOT workconst button1 = document.querySelector("button1");const p1 = button1.querySelector("p1");button1.addEventListener("click", function (event) {event.p1.target.textContent = "Hello World! I'm Listing to events.";}); 2) Add an event listener to the button with an idof "button2". Listen for the click event. Thebutton should change the text content of theparagraph with an id of "p2" to:"This button toggles text content."If the button is clicked a 2nd time,the text content should change…Lab 02: Splitting a URL into pieces URLS are composed of five pieces: The scheme, also known as the protocol The authority (may further be divided into the user info, the host, and the port) The path The fragment identifier, also known as the section or ref The query string Read-only access to these parts of a URL is provided by nine public methods: getFile(), getHost(), getPort(), getProtocol(), getRef(), getQuery(), getPath(), getUserinfo(), and getAuthority(). Write a Java program which uses these methods to split URLS entered on the command line into their component parts.A Web site validates a 16-digit ID number based on the following rules - 1. Starting with the leftmost digit, double it and then double every other digit after it. However, if any of the doubled digits is a two-digit number, subtract 9 from it. Then sum these new digits. For instance, if the ID card number is 5866793610024475, then the digits considered are 5, 6, 7, 3, 1, 0, 4, 7, their new replacements are 1, 3, 5, 6, 2, 0, 8, 5 and the sum of the replacement is 30. 1 2 3 4 6. 7 8 9 10 11 12 13 14 15 8. 6. 7 9 3 6 1 4 4 7 5 6 7 1 4 7 5*2-9 6*2-9 7*2-9 3*2 1*2 0*2 4*2 7*2-9 =1 =3 =5 =6 =2 =0 =8 =5 2. Sum together the remaining sever digits from the ID card number. That is, the digits in the odd-numbered positions. With the ID card number above, we obtain 8+6+9+6+0+2+4+5 = 40. 3. Add together the two sums. If the result is a multiple of 10, then accept the ID card number. Otherwise, reject it. We accept the ID card number since 30+40=70, a multiple of 10. Write a program that perform…