angular2-Invalid left-hand side expression.txt

Angular-cli - Invalid left-hand side expression in postfix operation

"Bug for UglifyJS2"

I solved it

Solution for me.

Install nodejs Last version (Download website: https://nodejs.org )
(Global package)

npm uninstall -g @angular/cli
npm cache clean
npm install -g @angular/cli@latest
(Local project package)

npm uninstall --save-dev angular-cli
npm install --save-dev @angular/cli@latest
npm install
Create project angular-cli

ng new project-name

ng serve

ng build -prod

Check In Folder /project/dist/....deployment to hosting....

Works for me.