js_caveats.md

JS caveats

Delete Array.prototype.push and push method will not work for all arrays.
As you can call function before and define it after in the program it'll work, but defining prototype methods after and calling it before will throw 'not a function' error

function foo(a){
 this.a =  a;
}

// define after call before - function (success)
console.log(baz());
function baz () {
  return 'baz returned'
}

foo.obno = function () {
  console.log('obno');
}
console.log(foo.prototype.ojo(),foo.prototype);

// define after call before - prototype method (error)
var bar = new foo(7);
console.log('bar',bar);
bar.ojo();
foo.prototype.ojo = function (){
  console.log('ojo',this.a);
  return 'a ojo returned';
}

meetzaveri/js_caveats.md

JS caveats