how to call function by name in javascript code example

Example 1: js call function by string name

function test() {
  console.log('Executed function "test".');
}

window['test']();

Example 2: javascript function name

function WriteSomeShitOut(){ 
  var a = new Error().stack.match(/at (.*?) /);
  console.log(a[1]);
} 
WriteSomeShitOut();