10 examples of 'javascript isdefined' in JavaScript

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1export function isDefined(value) {
2 if (value !== undefined && value !== null && value !== '') {
3 return true;
4 } else {
5 return false;
6 }
7}
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74function isDefined(value) {
75 return value !== null && value !== undefined && !(value instanceof Nothing);
76}
155function isDefined(value) {
156 return value !== undefined && value !== null;
157}
9export function isDefined<T>(value: T | undefined | null): value is T {
10 return typeof value !== 'undefined' && value !== null;
11}
16export function isDefined<T>(value: T | undefined | null): value is T {
17 return (value !== undefined) && (value !== null);
18}
22export function isDefined(value){
23 return typeof value !== 'undefined';
24}
6function isDefined (variable) {
7 return !(variable === undefined || variable === '' || variable === null)
8}
374function _isDefined(obj, key) {
375 return obj != null && typeof obj === 'object' && key in obj;
376}
322function isDefined(input) {
323 return typeof input !== "undefined";
324}
106function isDefined (input) {
107 return typeof input !== 'undefined'
108}

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