The error is in the following code: $(“#submitbtn”).on(click, function() { console.log(“clicked”); return false }) it should be: $(“#submitbtn”).on(“click”, function() { console.log(“clicked”); return false }) (Note on the double strings before and after click) In order to debug your code first take atention to the error message, then click on the file that its throwing the … Read more
Although I do not want to make it your habit to take SO as a code for me site but this time here it is for you: var field = document.getElementById(“field”); var link = document.getElementById(“link”); field.onchange = function() { link.href = “http://www.example.com/?q=” + encodeURIComponent(field.value); console.log(link.href); }; Notice I did not code it for you in … Read more
you are missing type in event, check for type event.type; 2 solved JS – If Statements
I recommend you read a JavaScript tutorial. Try here. To answer your question, this will probably work. If you’re wondering why you’re getting downvoted – asking people to write your code for you is generally considered bad form, so try not to do this in future. 🙂 function Validateform(e) { if (document.getElementsByName(‘receiver’)[0].value.substring(0, 2) !== “92”) … Read more
Something like this is similar: document.body.addEventListener( ‘load’, function(){ var elements = document.querySelectorAll(“ul.dropdown li”); for(var i = 0, l = elements.length; i < l; i++){ var e = elements[i]; e.addEventListener(‘mouseover’, function(e){ e.setAttribute(‘class’, e.getAttribute(‘class’) + ‘ hover’); document.querySelector(“ul.dropdown li”).style.visibility = ‘visible’; e.style.visibility = ‘visible’; }) e.addEventListener(‘mouseout’, function(e){ e.setAttribute(‘class’, e.getAttribute(‘class’).replace(‘ hover’,”)); document.querySelector(“ul.dropdown li”).style.visibility = ‘hidden’; e.style.visibility = ‘hidden’; … Read more
Your attempt is close, but doesn’t work because your price and amount values are strings (that is, they’re encased in quotes). Now, if you had instantiated your total variable to 0, the code would then realize you want price and amount to be added as a number, and work as you expect: var cart = … Read more
So the mistake you’re making is that if you loop through several things and hardcode the id, several elements get the same id, which is why your increase() function is updating the “wrong” elements. So you need to give each item in the loop a unique id. One way is to append an id from … Read more
Here is the code which searches for the number at the start. If number is matched it prints message in console. let regex = /^[0-9]/; let object = [{email:’[email protected]’},{email:’[email protected]’}]; for(let i =0;i<object.length;i++){ if(object[i].email.match(regex)){ console.log(‘E-mail ‘,object[i].email,’ is not valid.’) } } This is the used regex: ^[0-9] solved Email Regex for Javascript Which not start with … Read more
I hope you will still edit your question with some more criteria and what you have tried so far, however, following implementation follows: No 0 numbers ; The resulting array should be exactly the requested numbers long ; It doesn’t check if the division is possible, theoretically, the targetNumber – totalSumNumbers >= 0 has to … Read more
If it is read only the cursor wont show up, I don’t know why you want a cursor in a read only input but if you do you can use javascript to not allow them to enter and autofocus the input to show the cursor. <input id=”input” type=”text” value=”0″ autofocus onkeydown=”return false”> 4 solved How … Read more
The -“2” converts “2” into a number and negates it, giving -2. The result of subtracting -2 from 1 (that is, 1 – -2) is indeed 3. solved Why num = 1 – -“2” equals 3 [closed]
The operator != means if is different for example red != blue it return true, you can check the documentation of expressions and operators here: Comparison_operators Dev Mozilla JS solved What does != mean in JavaScript?
Jquery has two functions show and hide: $(‘#a’).click(function(){ $(‘#a’).hide(); }); $(‘#b’).click(function(){ $(‘#a’).show(); }); $(‘#c’).click(function(){ $(‘#a’).show(); }); 1 solved How to hide / show a button in jQuery
IE browsers up to IE8 do not support addEventListener (I’m assuming you meant the latest version you have when you said Internet Explorer Last version). attachEvent is the IE equivalent (well, not exactly equivalent). If your target browser is only IE8, you can just replace the addEventListeners with attachEvent calls, but a better option (seeing … Read more
For this, you should use generators. function generate_flavors* () { yield “Butter Cream”; yield “Chocolate”; yield “Vanilla”; yield “Red Velvet”; } Now you can create your array in any of several ways: console.log(Array.from(generate_flavors())) console.log(…generate_flavors()) console.log([for (flavor of generate_flavors()) flavor]) Hope that helps. 0 solved Create an Array and Populate it with values in JS [closed]