Angular is a TypeScript-based, open-source web application framework led by the Angular Team at Google. Angular is a complete rewrite from the team that built AngularJS.
First of all, you need to install node.js on your system. If you don’t have node.js installed use the following set of commands to add
You encountered issues during the installation of the CLI or setup of a new Angular project?
A lot of problems are solved by making sure you’re using the latest version of NodeJS, npm and the CLI itself.
Updating NodeJS:
Go to nodejs.org and download the latest version – uninstall (all) installed
Node.js v14.x:
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# Using Ubuntu curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash - sudo apt-get install -y nodejs # Using Debian, as root curl -sL https://deb.nodesource.com/setup_14.x | bash - apt-get install -y nodejs |
Node.js v13.x:
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1 2 3 4 5 6 7 |
# Using Ubuntu curl -sL https://deb.nodesource.com/setup_13.x | sudo -E bash - sudo apt-get install -y nodejs # Using Debian, as root curl -sL https://deb.nodesource.com/setup_13.x | bash - apt-get install -y nodejs |
Node.js v12.x:
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1 2 3 4 5 6 7 |
# Using Ubuntu curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash - sudo apt-get install -y nodejs # Using Debian, as root curl -sL https://deb.nodesource.com/setup_12.x | bash - apt-get install -y nodejs |
Node.js v10.x:
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1 2 3 4 5 6 7 |
# Using Ubuntu curl -sL https://deb.nodesource.com/setup_10.x | sudo -E bash - sudo apt-get install -y nodejs # Using Debian, as root curl -sL https://deb.nodesource.com/setup_10.x | bash - apt-get install -y nodejs |
Node.js v9.x:
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1 2 3 4 5 6 7 |
# Using Ubuntu curl -sL https://deb.nodesource.com/setup_9.x | sudo -E bash - sudo apt-get install -y nodejs # Using Debian, as root curl -sL https://deb.nodesource.com/setup_9.x | bash - apt-get install -y nodejs |
Node.js v8.x:
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1 2 3 4 5 6 7 |
# Using Ubuntu curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash - sudo apt-get install -y nodejs # Using Debian, as root curl -sL https://deb.nodesource.com/setup_8.x | bash - apt-get install -y nodejs |
Node.js v7.x:
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1 2 3 4 5 6 7 |
# Using Ubuntu curl -sL https://deb.nodesource.com/setup_7.x | sudo -E bash - sudo apt-get install -y nodejs # Using Debian, as root curl -sL https://deb.nodesource.com/setup_7.x | bash - apt-get install -y nodejs |
Node.js v6.x:
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1 2 3 4 5 6 7 |
# Using Ubuntu curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash - sudo apt-get install -y nodejs # Using Debian, as root curl -sL https://deb.nodesource.com/setup_6.x | bash - apt-get install -y nodejs |
Node.js v5.x:
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1 2 3 4 5 6 7 |
# Using Ubuntu curl -sL https://deb.nodesource.com/setup_5.x | sudo -E bash - sudo apt-get install -y nodejs # Using Debian, as root curl -sL https://deb.nodesource.com/setup_5.x | bash - apt-get install -y nodejs |
Node.js v4.x:
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1 2 3 4 5 6 7 |
# Using Ubuntu curl -sL https://deb.nodesource.com/setup_4.x | sudo -E bash - sudo apt-get install -y nodejs # Using Debian, as root curl -sL https://deb.nodesource.com/setup_4.x | bash - apt-get install -y nodejs |
Node.js v0.12:
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1 2 3 4 5 6 7 |
# Using Ubuntu curl -sL https://deb.nodesource.com/setup_0.12 | sudo -E bash - sudo apt-get install -y nodejs # Using Debian, as root curl -sL https://deb.nodesource.com/setup_0.12 | bash - apt-get install -y nodejs |
Node.js v0.10:
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1 2 3 4 5 6 7 |
# Using Ubuntu curl -sL https://deb.nodesource.com/setup_0.10 | sudo -E bash - sudo apt-get install -y nodejs # Using Debian, as root curl -sL https://deb.nodesource.com/setup_0.10 | bash - apt-get install -y nodejs |
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In One-Way data binding, view (UI part) not updates automatically when data model changed. We need to write custom code to make it updated every time.
ng-bind has one-way data binding.
While in two way binding scope variable will change it’s value every time its data model changed is assigned to