jquery check if attribute exists
var attr = $(this).attr('name');
// For some browsers, `attr` is undefined; for others,
// `attr` is false. Check for both.
if (typeof attr !== typeof undefined && attr !== false) {
// ...
}jquery check if attribute exists
var attr = $(this).attr('name');
// For some browsers, `attr` is undefined; for others,
// `attr` is false. Check for both.
if (typeof attr !== typeof undefined && attr !== false) {
// ...
}check if property exists javascript
// the coolest way
const obj = {
weather: 'Sunny;
}
if('weather' in obj) {
// do something
}Copyright © 2021 Codeinu
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