function getWeekNumber(thisDate) { var dt = new Date(thisDate); var thisDay = dt.getDate(); var newDate = dt; newDate.setDate(1); // first day of month var digit = newDate.getDay(); var Q = (thisDay + digit) / 7; var R = (thisDay + digit) % 7; if (R !== 0) return Math.ceil(Q); else return Q;} getWeekNumber(“07/31/2016”); 1 solved How … Read more
You can try this: var str=”RANDOM1″; if(/^RANDOM\d+$/gi.test(str)) console.log(‘true’); else console.log(‘false’); solved What will be the Regular expression for matching a constant word ending with number
The problem wasn’t that you were giving a wrong answer, it’s that you weren’t giving the coding solution they were expecting. On this particular problem, there’s a “hint” section in the upper right hand corner. If you click on the What’s this? link. This hint shows the code you’ll need to successfully complete this step, … Read more
You can use /^[A-Za-z0-9]{6}-\d{2}-[A-Za-z0-9]-\d{4}$/ Or shorter with the case insensitive flag: /^[A-Z0-9]{6}-\d{2}-[A-Z0-9]-\d{4}$/i solved Need JS Pattern Validation
$(document).ready(function() { let gameArray = []; let turn = 1; let gameOver = false; $(“#turn”).text(turn === 1 ? ‘X’ : ‘O’); $(“.smallbox”).click(function() { let squereIndex = $(this).attr(‘id’).replace(‘square’, ”) – 1; if (turn == 1 && !gameOver && gameArray[squereIndex] === undefined) { $(this).text(“X”); $(this).addClass(“X”); turn = 2; gameArray[squereIndex] = 1; } else if (!gameOver && gameArray[squereIndex] … Read more
For making field MANDATORY: Use RequiredFieldValidator: <asp:TextBox ID=”txtName” runat=”server”></asp:TextBox> <asp:RequiredFieldValidator ID=”RequiredFieldValidator1″ runat=”server” ControlToValidate=”txtName” ErrorMessage=”Input Country!” EnableClientScript=”true” SetFocusOnError=”true” Text=”*”> </asp:RequiredFieldValidator> For Validating Range of Number in TextBox use RangeValidator: <asp:TextBox ID=”TextBox1″ runat=”server”></asp:TextBox> <asp:RangeValidator ID=”RangeValidator1″ runat=”server” ControlToValidate=”TextBox1″ MaximumValue=”200″ MinimumValue=”100″ Type=”Integer” ErrorMessage=”Please input between 100 to 200.”> </asp:RangeValidator> Read more about Validations Here Hope this helps you! 2 … Read more
You have to test the length property of the return value. function duplicateElements(m, n) { function test(element) { return n.includes(element); } return m.filter(test).length > 0 ? true : false; } 1 solved Test the return value of my function correctly at the time of return [closed]
myInput is undefined for your event, you should get the value by adding following line in your eventListener. let myInput= document.getElementById(“myInput”).value; Change your code like following. var input = document.getElementById(“myInput”); input.addEventListener(“keyup”, function(event) { let myInput = document.getElementById(“myInput”).value; for (i = 0; i < objPeople.length; i++) { if (myInput == objPeople[i].studentid && event.keyCode === 13) { … Read more
Because it’s got a bug. See this line in del(): num=num.replace(num[num.length-1],”); What does it do? It takes the last character of num, and replaces, that’s the bug, the first occurrence of that character. Fixed version: num = num.substr(0, num.length – 1); 0 solved JavaScript sometimes behave differently
First, your JS function isn’t closed properly with an ending bracket }, causing syntax errors. Secondly, you have a character double quote that isn’t supported in the code “ instead of using “, which is also causing runtime errors. Also, you aren’t closing your header tags (<h1>, <h2>) etc. function guessNumber() { var playerGuess = … Read more
You need to specify the canvas size in pixels. You can then scale the canvas using cm as units. canvas.width = 500; // px canvas.height = 300; // px canvas.style.width=”5cm”; canvas.style.height=”3cm”; The number of pixels in a canvas has to be explicitly/absolutely defined. Centimeters are a relative value. solved CSS canvas width and height setting
Start with body hidden and show it after your code is executed. <html> … <body style=”display:none”> … <script> $(document).ready( function() { … $(document.body).show(); }) </script> </body> </html> solved How to run some code before page is displayed [closed]
Finally, thanks to this article, all I need is html-loader. Then I can just add import html from ‘some.html’. solved Compiling HTML, CSS, and JS, into a single JS file
Make sure the call: $(window).on(“resize”, resizePortfolio); is inside the $(document).ready(function() {…}) body, because the scope of the function name is just that function. solved Javascript “— is Not Defined” Error
First fix your other issues. Inside separate js file: BrowserName is not defined. Is it supposed to be a var or function? It you want to check the browser you can use navigator.userAgent and test for certain strings. Search this site for more info. Scroll function: be careful with using function names. They may be … Read more