SOURCE

var fun = (function (a,arr){
    var status = false;
    for(var i = 0; i< arr.length;i++){
        if(a < arr[i]){
            return status = true;
            
        } else {
            console.log(arr[i])
        }
    }
    return status
})(6,[1,18]);
var a = 6;
var arr = [1,18];
function fun2(){
    if(fun){return};
    console.log('fun2')
}

fun2(30)

<pre>
var fun = (function (a,arr){
    var status = false;
    for(var i = 0; i< arr.length;i++){
        if(a < arr[i]){
            return status = true;
            
        } else {
            console.log(arr[i])
        }
    }
    return status
})(6,[1,18]);
var a = 6;
var arr = [1,18];
function fun2(){
    if(fun){return};
    console.log('fun2')
}

fun2(30)

</pre>