JavaScript Variables
In JavaScript, variables are used to store data. JavaScript variables are “named storage” for data. We can access the value of the variable by using variable name. We can use the variables to store different kinds of data like numbers, text, Boolean, etc.
JavaScript variables syntax:
A variable in JavaScript has a name, a value, and a memory address.
- The name of the variable distinctively identifies the variable.
- The value refers to data stored in the variable.
- The memory address refers to the memory location of the variable.
12const climate ="spring"; console.log(climate);
Swipe to start coding
Create two variables named firstValue, and secondValue. Assign 50 to firstValue and 20 to secondValue and print both the variables using the console.log() function.
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What are the rules for naming variables in JavaScript?
Can you explain the difference between var, let, and const in JavaScript?
What types of data can be stored in JavaScript variables?
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In JavaScript, variables are used to store data. JavaScript variables are “named storage” for data. We can access the value of the variable by using variable name. We can use the variables to store different kinds of data like numbers, text, Boolean, etc.
JavaScript variables syntax:
A variable in JavaScript has a name, a value, and a memory address.
- The name of the variable distinctively identifies the variable.
- The value refers to data stored in the variable.
- The memory address refers to the memory location of the variable.
12const climate ="spring"; console.log(climate);
Swipe to start coding
Create two variables named firstValue, and secondValue. Assign 50 to firstValue and 20 to secondValue and print both the variables using the console.log() function.
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