I am just trying to implement a simple RNG in JS. What’s happening is javascript evaluates 119106029 * 1103515245 to be 131435318772912110 rather than 131435318772912105. We know it’s wrong since two odd numbers multiplied does not give an even number. Anyone know what’s up? I just want a reliable repeatable RNG, and because of these incorrect values I can’t get
Tag: javascript
How to get first character of string?
I have a string, and I need to get its first character. How can I fix my code? Answer charAt can give wrong results for Unicode. Use Array.from:
Adding HTML elements with JavaScript
So, if I have HTML like this: How can I use JavaScript to add an HTML element where that blank line is? Answer As you didn’t mention any use of javascript libraries (like jquery, dojo), here’s something Pure javascript. or
How can I list all cookies for the current page with Javascript?
Is there any way to, with help of Javascript, list all cookies associated with the current page? That is, if I don’t know the names of the cookies but want to retrieve all the information they contain. Answer You can list cookies for current domain: But you cannot list cookies for other domains for security reasons
In JavaScript, is chained assignment okay?
Am not new to JS or its syntax, but sometimes, the semantics of the language has me stumped at times. At work today, a colleague mentioned this: is not the same as or since the first version actually assigns the reference to an empty array to a and b. I couldn’t quite accept this as true, but I’m not sure.
how can I disable everything inside a form using javascript/jquery?
I have a form that pop up inside a layer, and I need to make everything inside that form read only regarding what type of input it is. Anyway to do so? Answer This is quite simple in plain JavaScript and will work efficiently in all browsers that support read-only form inputs (which is pretty much all browsers released in
JavaScript temp variable
Hi this is the situation For example… i have cashp=20 , When user select the cmb_num_seat(DROP DOWN) , Then Price will be increase That is Assume i selected 3 in the dropdown… But in some situation , Calculation goes wrong… Like select 3 , and then select 4 and then select 2 and then selecting 1 , In this situation
Is there any possibility of two asynchronous Javascript function instances executing two blocks of code at the same time?
I understand that Javascript doesn’t have multiple threads, but I’d like to know if the following code has any chance of breaking. My understanding is that unless an asynchronous function is called, such as setTimeout or an AJAX call, that once a block of code starts executing there’s no way for it to pause until it completes or does call
add id to dynamically created
I have the following JavaScript that creates a div and then appends it to the body and then inserts some dynamically generated HTML into it. cartDiv = document.createElement(‘div’); This div I would like to add an id and/or a class to it. If possible both Jquery and JavaScript answers would be great. Answer If I got you correctly, it is
Add onclick event to newly added element in JavaScript
I have been trying to add onclick event to new elements I added with JavaScript. The problem is when I check document.body.innerHTML I can actually see the onclick=alert(‘blah’) is added to the new element. But when I click that element I don’t see the alert box is working. In fact anything related to JavaScript is not working.. here is what