JSFiddle - React, Tailwind, and code Playground

HTML

<ol id="results">
    
</ol>

JavaScript

var result;
var test1 = "Str";
var test2 = -1;
var test3 = "-1";
var test4 = "0";
var test5 =  0;
var test6 = NaN;
var test7 = 1;
var test8 = "2";
var test9 = null;

result = ~~Number(test1);
if(result>0) {
    $("#results").append("<li>"+result+"</li>");
}

result = ~~Number(test2);
if(result>0) {
    $("#results").append("<li>"+result+"</li>");
}

result = ~~Number(test3);
if(result>0) {
    $("#results").append("<li>"+result+"</li>");
}

result = ~~Number(test5);
if(result>0) {
    $("#results").append("<li>"+result+"</li>");
}

result = ~~Number(test6);
if(result>0) {
    $("#results").append("<li>"+result+"</li>");
}

result = ~~Number(test7);
if(result>0) {
    $("#results").append("<li>"+result+"</li>");
}

result = ~~Number(test8);
if(result>0) {
    $("#results").append("<li>"+result+"</li>");
}

result = ~~Number(test9);
if(result>0) {
    $("#results").append("<li>"+result+"</li>");
}