Javascript test ( object && object !== “null” && object !== “undefined” )

后端 未结 9 2018
闹比i
闹比i 2020-12-29 22:46

I seem to be using this test a lot

if( object && object !== \"null\" && object !== \"undefined\" ){
    doSomething();
}

on

9条回答
  •  天命终不由人
    2020-12-29 23:35

    Maybe like this:

    var myObj = {};
    var isEmptyObj = !Object.keys(myObj).length;
    
    if(isEmptyObj) {
        // true
    } else {
    

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