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JavaScript Naming Conventions
// bad
function d() {
// ...stuff...
}
// good
function display() {
// ..stuff..
}
// bad
var EMployee= {};
var this_is_my_object = {};
function c() {}
var u = new user({
name: 'Bob Parr'
});
// good
var thisIsMyObject = {};
function thisIsMyFunction() {}
var user = new User({
name: 'Bob Parr'
});
// bad
function user(options) {
this.name = options.name;
}
var bad = new user({
name: 'nope'
});
// good
function User(options) {
this.name = options.name;
}
var good = new User({
name: 'yup'
});
_
when naming private properties// bad
this.__firstName__ = 'ramesh';
this.firstName_ = 'ramesh';
// good
this._firstName = 'ramesh';
this
use _this
.// bad
function() {
var self = this;
return function() {
console.log(self);
};
}
// bad
function() {
var that = this;
return function() {
console.log(that);
};
}
// good
function() {
var _this = this;
return function() {
console.log(_this);
};
}
// bad
var log = function(msg) {
console.log(msg);
};
// good
var log = function log(msg) {
console.log(msg);
};
// file contents
class CheckBox {
// ...
}
export default CheckBox;
// in some other file
// bad
import CheckBox from './checkBox';
// bad
import CheckBox from './check_box';
// good
import CheckBox from './CheckBox';
function makeStyleGuide() {
}
export default makeStyleGuide;
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