Page 19 - JavaScript
P. 19
Examples 247
Enum definition using Object.freeze() 247
Alternate definition 248
Printing an enum variable 248
Implementing Enums Using Symbols 248
Automatic Enumeration Value 249
Chapter 39: Error Handling 251
Syntax 251
Remarks 251
Examples 251
Interaction with Promises 251
Error objects 252
Order of operations plus advanced thoughts 252
Error types 254
Chapter 40: Escape Sequences 256
Remarks 256
Similarity to other formats 256
Examples 256
Entering special characters in strings and regular expressions 256
Escape sequence types 257
Single character escape sequences 257
Hexadecimal escape sequences 257
4-digit Unicode escape sequences 258
Curly bracket Unicode escape sequences 258
Octal escape sequences 259
Control escape sequences 259
Chapter 41: Evaluating JavaScript 260
Introduction 260
Syntax 260
Parameters 260
Remarks 260
