call function from string javascript code example

Example 1: javascript execute function by string name

//function to execute some other function by it's string name 
function executeFunctionByName(functionName, context , args ) {
  var args = Array.prototype.slice.call(arguments, 2);
  var namespaces = functionName.split(".");
  var func = namespaces.pop();
  for(var i = 0; i < namespaces.length; i++) {
    context = context[namespaces[i]];
  }
  return context[func].apply(context, args);
}

//my adding function, could be any function
function myAddFunction(a,b){
 return a+b;
}

//execute myAddFunction from string
var c=executeFunctionByName("myAddFunction", window, 3,4); //7

Example 2: javascript call php function with parameters

var deleteClient = function(id) {
    $.ajax({
        url: 'path/to/php/file',
        type: 'POST',
        data: {id:id},
        success: function(data) {
            console.log(data); // Inspect this in your console
        }
    });
};