You are breaking the loop and your if(valid) code is within the for loop. You probably meant to have the if(valid) outside the for loop scope. For example you can do: valid = false; for (var i = 0; i < usernameArray.length; i++) { if ((un == usernameArray[i]) && (pw == passwordArray[i])) { valid = … Read more
Gulp is a build system or tool in javascript built on node streams. Basically its a task runner and does automated time-consuming and repetitive tasks involved in web development. So no, we cant use gulp alone to develop UI and complete application but with the help of gulp we can do front end web development. … Read more
Because AJAX always make request & wait response from server, we must put HTML file to web server (Apache HTTP server or NGINX), AJAX will run. solved Why my source code doesn’t work?
Check this out may it will help you. (function(){ var ConvertBase = function (num) { return { from : function (baseFrom) { return { to : function (baseTo) { return parseInt(num, baseFrom).toString(baseTo); } }; } }; }; // binary to decimal ConvertBase.bin2dec = function (num) { return ConvertBase(num).from(2).to(10); }; // binary to hexadecimal ConvertBase.bin2hex = … Read more
There is no problem in using multiple Script in html. How it is loaded is depending on which on the order it is added into the html. solved Javascript multiple script tag are allowed? [duplicate]
I need to split it to get only 1 and 6 and I only want whole number I want to ignore the floating numbers You can use String.prototype.split() with RegExp /\D|\d+\.\d+/ to split characters that are not digits, or digits followed by . character followed by digits to handle for example 2.456, Array.prototype.filter() with parameter … Read more
As you say, HTML + javascript. I would recommend you using at least jQuery as you can get and modify HTML elements easily but you can go with just HTML + css + js (it’s slightly harder). With jQuery you can listen to page events, like click. $(document).on(“click”, function() { // Change text attributes. For … Read more
Since this code is littered with ternary operators, that seems to be what you are having the most trouble with. Basic syntax: condition ? a : b is the same as if (condition) { a } else { b } For weight: If you want to use kilo, just remove that whole line and set … Read more
Option -1: Download the jquery file and store it in the directory of the project and add the script tag in your html file and then add second js file which you can write jquery <script src=”https://stackoverflow.com/questions/37921952/jquery.min.js”></script> <script src=”main.js”></script> //Here you can write your custom js with jquery loaded first Option -2 : First take … Read more
here is the simple javascript code which will validate both email and phone number. <html> <head> <script src=”https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js”></script> <script> function ValidateEmail(mail) { var mailformat = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/; // if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(myForm.emailAddr.value)) if(mail.match(mailformat)) { alert(mail); return (true) } alert(“You have entered an invalid email address!”) return (false) } function validate() { var data=document.getElementById(“email”).value; checkNumberorEmail(); } function phonenumber(inputtxt) { … Read more
You’re comparing a string and a number. You’re concatenating the result of indexOf (which I assume is -1) to a string before you do your > comparison. This is equivalent to NaN > -1. “1b-1” > -1 // => false 0 solved JavaScript indexOf greater than -1 false when it’s clearly not?
As you now accepted to use RegEx, I adapted the solution based on this post https://stackoverflow.com/a/16707675/4339170: function validate() { var p = document.getElementById(‘pass’).value var errors = [] //if (p.length < 8) { // errors.push(“Your password must be at least 8 characters”) //} if (p.search(/[a-z]/) < 0) { errors.push(“Your password must contain at least one lowercase … Read more
Try with following code: <script> $(document).ready(function(){ $(“[id^=tolevel_]”).click(function(){ var currentID = $(this).attr(“id”); var number = currentID.replace(“tolevel_”,””);//get the number in string format number = parseInt(number); var i = number -1; $(“#level_” + i).hide(500,’swing’, function(){ $(“#level_” +(i+1)).show(500, ‘swing’, function(){ }); }); }); $(“[id^=backtolevel_]”).click(function(){ var currentID = $(this).attr(“id”); var number = currentID.replace(“backtolevel_”,””);//get the number in string format number = … Read more
I don’t know Node.js but in javascript it can be done using split() var content = “Hello \n bob \n ben je op deze \n world \n bobert”, content_array = content.split(“\n”); content_array.forEach(function(entry) { document.write(“<content>’+entry+'</content><br />”); }); 1 solved javascript finding a string in a string
Assuming the string “N/A” is without anything leading or tailing you can do the following var na = contentOfYourTextbox; if(!na.match(/^N\s*[/]\s*A$/)){ alert(“I’m sorry, Dave. I’m afraid I can’t do that.”); } else { // do whatever you have plannned to do when the user entered “N/A” } 2 solved Javascript validation error not valid value N/A … Read more