prompt box html not let execute further execution of code if pressed cancel

Question

I am using prompt box and if I press cancel without entering data in textbox of promptbox then the my further logic after prompt box do not execute ;if I press ok the that code is executed. how to make my code execute even if I press cancel in promtbox as it happen after I enter data and press ok ?

var textentered=prompt("Enter text/int:","");
if(textentered.length > 0){

    alert(textentered);
}

// this is just example code below the promptbox which is not executed after i press //cancel in prompt box
text=[];
array=[];
document.getElementById('test').innerHTML='';

Answer 1

The problem if when prompt is canceled, textentered would be null.
Thus, the if(textentered.length > 0) will fail.

You'll have to change the code to act differently if textentered is null.
Like below example.

var textentered = prompt("Enter text/int:", "");
if (textentered) { //pressed ok OR if text is not empty
    alert(textentered);
} else { //pressed cancel
    textentered = ""; //is null. change to empty string
}
//at this point, non-empty text means that user pressed the ok button