How to use template literals in JavaScript

· Category: JavaScript

Short answer

Template literals use backticks (`) to embed expressions via ${expression}, support multiline text, and enable tagged templates for custom processing.

Steps

  1. Interpolate variables and expressions: javascript const name = 'Leo'; const greeting = `Hello, ${name}!`;
  2. Write multiline strings without escape characters: javascript const html = ` <div> <p>Content</p> </div> `;
  3. Use tagged templates to transform strings: javascript function highlight(strings, ...values) { return strings.reduce((acc, s, i) => acc + s + (values[i] || ''), ''); } const msg = highlight`Value is ${42}`;

Tips

  • Nest template literals for conditional logic inside interpolation.
  • Use String.raw tagged template to ignore escape sequences.

Common issues

  • Forgetting backticks and using regular quotes breaks interpolation.
  • Complex expressions inside ${} reduce readability; extract them to variables.