remove undefined from array javascript
var data = [42, 21, undefined, 50, 40, undefined, 9];
data = data.filter(function( element ) {
return element !== undefined;
});
remove undefined from array javascript
var data = [42, 21, undefined, 50, 40, undefined, 9];
data = data.filter(function( element ) {
return element !== undefined;
});
js remove undefined from object
Object.keys(obj).forEach(key => obj[key] === undefined && delete obj[key])
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