javascript syntax for check null or undefined or empty
if (typeof value !== 'undefined' && value) {
//deal with value'
};javascript syntax for check null or undefined or empty
if (typeof value !== 'undefined' && value) {
//deal with value'
};javascript check if null
if (variable === null) { //Executes only if variable is null but not undefined
//Code here
}
if (variable == null) { //Executes if variable is null OR undefined
//Code here
}Copyright © 2021 Codeinu
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