JavaScript Template Strings

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String Templates

Template Strings

Template Literals

Beloved child has many names

Back-Tics Syntax

Template Strings use back-ticks (``) rather than the quotes ("") to define a string:

Example

let text = `Hello World!`;

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Quotes Inside Strings

Template Strings allow both single and double quotes inside a string:

Example

let text = `He's often called "Johnny"`;

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Multiline Strings

Template Strings allow multiline strings:

Example

let text =
`The quick
brown fox
jumps over
the lazy dog`;

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Interpolation

Template String provide an easy way to interpolate variables and expressions into strings.

The method is called string interpolation.

The syntax is:

${...}

Variable Substitutions

Template Strings allow variables in strings:

Example

let firstName = "John";
let lastName = "Doe";

let text = `Welcome ${firstName}, ${lastName}!`;

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Automatic replacing of variables with real values is called string interpolation.

Expression Substitution

Template Strings allow expressions in strings:

Example

let price = 10;
let VAT = 0.25;

let total = `Total: ${(price * (1 + VAT)).toFixed(2)}`;

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Automatic replacing of expressions with real values is called string interpolation.

HTML Templates

Example

let header = "Template Strings";
let tags = ["template strings", "javascript", "es6"];

let html = `<h2>${header}</h2><ul>`;
for (const x of tags) {
html += `<li>${x}</li>`;
}

html += `</ul>`;

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Browser Support

Template Strings is an ES6 feature (JavaScript 2015).

ES6 is fully supported in all modern browsers since June 2017:


Chrome 51	Edge 15	Firefox 54	Safari 10	Opera 38
May 2016	Apr 2017	Jun 2017	Sep 2016	Jun 2016

Template Strings is not supported in Internet Explorer.

Complete String Reference

For a complete String reference, go to our:

Complete JavaScript String Reference.

The reference contains descriptions and examples of all string properties and methods.

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