Is js syntax the same as php?

1. The basic types of PHP:

1. Basic data types: integer, decimal (float/double), string , Boolean type

2. Composite type: array, object

3. Special type: Null, resource type

Basic types of JavaScript: Undefined, Null, Boolean, Number and String.

Difference: PHP has resource types, decimals are divided into single and double precision, while the number type of JS is only Number, and there is Undefined type.

2. String connector

The string connector of php is: " . "
The string connector of Js is: " "

3. Case sensitivity

php: Only variable names are case-sensitive
Js: All are case-sensitive

4. Undefined variables

php: is of null type.
Js: For undefined type

Recommended tutorial: PHP video tutorial

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