JavaScript Escape Unescape

Input
Output
0 characters0 escaped

JavaScript Escape Sequences Reference

CharacterJS EscapeUnicodeDescription
"\"\u0022Double quote
'\'\u0027Single quote
`\`\u0060Backtick (template literals)
\\\\u005CBackslash
newline\n\u000ALine feed
tab\t\u0009Horizontal tab
carriage return\r\u000DCarriage return
vertical tab\v\u000BVertical tab
Information

What is JavaScript String Escaping?

JavaScript string escaping is the process of adding backslashes before special characters in JavaScript string literals to ensure they are interpreted correctly by the JavaScript engine. This is essential for web development when working with strings that contain quotes, backslashes, or control characters.

Why JavaScript string escaping is important:

  • Prevents syntax errors when string literals contain quote characters that would otherwise terminate the string
  • Allows inclusion of control characters like newlines, tabs, and other whitespace in string literals
  • Essential for dynamically generating JavaScript code and JSON data
  • Required for handling user input that may contain special characters in web applications
  • Necessary for template literals and strings that contain backticks in modern JavaScript
  • Critical for XSS prevention when inserting user data into JavaScript contexts

JavaScript supports several escape sequences including \" for double quotes, \' for single quotes, \` for backticks, \\ for backslashes, \n for newlines, \t for tabs, and \uXXXX for Unicode characters. Modern JavaScript also supports template literals with ${} interpolation. Our tool handles all standard JavaScript escape sequences for both traditional strings and modern syntax.