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Javascript 2022-01-22 06:10:21
cannot read property
/* This error occurs in Chrome Browser when you read a property or call a method on an undefined object. */ // To handle it, use "Optional Chaining" compatible with Node.js v14.0.0 Syntax -> ?. Usage -> let obj; console.log(obj.a) // Can... Add solution -
Javascript 2021-11-11 20:32:16
javascript array of objects access properties
// The user object will be the test data for the notes taken below, // ALL NOTE ARE AND INFO CAN BE FOUND AT HACKERNOON! // THIS IS NOT MY WORK, I AM ONLY POSTING IT TO GREPPER FOR EASE OF USE OF FINDING THIS // MATERIAL LATER IF NEED BE! // With that ... Add solution -
Javascript 2021-10-27 02:46:17
foreach function into arrow with addeventlistener
const toggleElements = document.querySelectorAll('.toggle'); toggleElements.forEach(el => { el.addEventListener('click', () => { this.classList.toggle('active'); // `this` refers to `window` // Error: Cannot read property 'toggle' of undef... Add solution