ES5 back in 2009 introduced forEach() loops. While nice, they offered no way to break, like for loops always did. ES2015 introduced the for-of loop, which combines the conciseness of forEach with the ability to break: //ite over the value for (const v of [a, b, c]) { console....
The newly introduced arrow function provides transparency in the way this binds in functions and simplifies the tedious syntax of function expressions. Arrow function gets its name from the fact that => token used in the function simply looks like an arrow. ...
Finding Usages. Now you can find usages of database objects inside the source code of other objects. For instance, you can find which stored procedures, functions or views use a given table. Clouds Google Cloud Tools. Google hasintroducedtheir own IDE plugin for deploying to...
In ES6, there is no internal property[[Class]], anymore, and usingObject.prototype.toString()for type checks is discouraged. In order to ensure the backwards-compatibility of that method, the public property with the keySymbol.toStringTagwas introduced. You could say that it replaces[[Class]]...
It is free to download and includes all the new and exciting features introduced with ES6 as well as the future experimental features from ES7.authors are vetted experts in their fields and write on topics in which they have demonstrated experience. All of our content is peer reviewed and ...