Дмитрий Беляев

var myaudio = $("#myaudio")[0];$("#myblock a").mouseenter(function(){myaudio.play();});

$(function() {
    var myaudio = $("#myaudio")[0];
    $("#myblock a").mouseenter(function(){myaudio.play();});
});

function findParamPath(obj, prop) {
    if(obj.hasOwnProperty(prop)) return prop;
    var props = Object.getOwnPropertyNames(obj);
    for(var i = props.length; i--; ) {
        if(typeof obj[props[i]] !== 'object') continue;
        var path = findParamPath(obj[props[i]], prop);
        if(path) return props[i] + '.' + path;
    }
    return null;
}

var obj = {
    object : {
        client : {
            name : 'Вася',
            phone : '799999999'
        },
        order : {
            param1 : '2122',
            param2 : '1231'
        }
    }
};

console.log(findParamPath(obj, 'name')); // 'object.client.name'
console.log(findParamPath(obj, 'param1')); // 'object.order.param1'
console.log(findParamPath(obj, 'unknown')); // null (не найдено)

this.items = [
      {name : 'Petya', id: 1, active: false},
      {name : 'Vasjya', id: 2, active: false},
      {name : 'Dima', id: 3, active: false},
      {name : 'Lena', id: 4, active: false},
      {name : 'Katya', id: 5, active: false}
    ];
    this.itemsIndex = _.indexBy(this.items, 'id');

    this.items2 = [
      {name : 'Dima', id: 3},
      {name : 'Lena', id: 5},
    ];
    this.items2.forEach(el => {
        if(el.id in this.itemsIndex) {
            this.itemsIndex[el.id].active = true;
        }
    });

function MainFoo () {
    var myVar;
    AsyncFoo().then(function(result) {
        myVar = result;
    });
}

function AsyncFoo() {
    return new Promise(function(resolve, reject) {
        setTimeout(function(){
            resolve(100);    
        }, 5000)
    });
}

async function MainFoo () {
    var myVar = await AsyncFoo();
}

function AsyncFoo() {
    return new Promise(function(resolve, reject) {
        setTimeout(function(){
            resolve(100);    
        }, 5000)
    });
}

if(moveLeft)
  alert("l");
if(moveRight)
  alert("r");
}