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Javascript 2021-11-13 00:08:10
confirm password validation page recat
import React from 'react'; class DemoForm extends React.Component { constructor() { super(); this.state = { input: {}, errors: {} }; this.handleChange = this.handleChange.bind(this); this.handleSubmit = this.handleSubmit.... Add solution -
Javascript 2021-11-12 02:07:19
detect back button press javascript
So as far as AJAX is concerned... Pressing back while using most web-apps that use AJAX to navigate specific parts of a page is a HUGE issue. I don't accept that 'having to disable the button means you're doing something wrong' and in fact developers in ... Add solution -
Javascript 2021-11-06 10:56:14
js is number
//Updated dec 2020 // The first 2 Variations return a Boolean // They just work the opposite way around // IsInteger if (Number.isInteger(val)) { // It is indeed a number } // isNaN (is not a number) if (isNaN(val)) { // It is not a number } // Anoth... Add solution -
Javascript 2021-11-03 20:15:11
list listener on a page js
function listAllEventListeners() { const allElements = Array.prototype.slice.call(document.querySelectorAll('*')); allElements.push(document); allElements.push(window); const types = []; for (let ev in window) { if (/^on/.test(ev)) types[t... Add solution -
Other 2021-11-03 13:05:08
keydown or keyup event to check character
function isCharacterKeyPress(evt) { if (typeof evt.which == "undefined") { // This is IE, which only fires keypress events for printable keys return true; } else if (typeof evt.which == "number" && evt.w... Add solution