add after ary assign assignIn assignInWith assignWith at before bind bindAll bindKey camelCase capitalize castArray ceil chain chunk clamp clone cloneDeep cloneDeepWith cloneWith compact concat conformsTo countBy create curry curryRight debounce deburr defaults defaultsDeep defer delay difference divide drop dropRight each eachRight endsWith entries entriesIn eq escape every extend extendWith fill filter find findIndex findKey findLast findLastIndex findLastKey first flatMap flatMapDeep flatMapDepth flatten flattenDeep flattenDepth flip floor forEach forEachRight forIn forInRight forOwn forOwnRight fromPairs functions functionsIn get groupBy gt gte has hasIn head inRange includes indexOf initial intersection invert invertBy invoke invokeMap isArguments isArray isArrayBuffer isArrayLike isArrayLikeObject isBoolean isBuffer isDate isElement isEmpty isEqual isEqualWith isError isFinite isFunction isInteger isLength isMap isMatch isMatchWith isNaN isNative isNil isNull isNumber isObject isObjectLike isPlainObject isRegExp isSafeInteger isSet isString isSymbol isTypedArray isUndefined isWeakMap isWeakSet join kebabCase keyBy keys keysIn last lastIndexOf lowerCase lowerFirst lt lte map mapKeys mapValues max maxBy mean meanBy memoize merge mergeWith min minBy multiply negate nth omit omitBy once orderBy overArgs pad padEnd padStart parseInt partial partialRight partition pick pickBy pull pullAll pullAllBy pullAllWith pullAt random rearg reduce reduceRight reject remove repeat replace rest result reverse round sample sampleSize set setWith shuffle size slice snakeCase some sortBy sortedIndex sortedIndexOf sortedLastIndex sortedLastIndexOf sortedUniq split spread startCase startsWith subtract sum sumBy tail take takeRight tap template throttle thru toArray toFinite toInteger toLength toLower toNumber toPairs toPairsIn toPlainObject toSafeInteger toString toUpper transform trim trimEnd trimStart truncate unary unescape union uniq uniqBy uniqWith unset unzip unzipWith update updateWith upperCase upperFirst values valuesIn without words wrap wrapperAt wrapperChain wrapperCommit wrapperFlatMap wrapperLodash wrapperNext wrapperPlant wrapperReverse wrapperToIterator wrapperValue xor zip zipObject zipObjectDeep zipWith

Lodash _.escape


The lodash _.escape method provides a way to escape HTML special characters in a string, making it safe to output user-generated content as HTML without risking injecting malicious code. The method replaces the characters <, >, &, ", and ' with their corresponding HTML entities. For example, "Foo & Bar" would become "Foo &amp; Bar".

The _.escape method can be used in various situations where user-generated content needs to be displayed as HTML, such as displaying comments on a webpage, generating dynamic email templates, or rendering content in a single-page application.

Some common use cases for _.escape include:

  • Rendering user-generated content, such as comments or forum posts, in a webpage or application. This ensures that any code or scripts injected in the content by users do not execute when the page or application is loaded.
  • Generating dynamic email templates that contain user-generated content. By escaping any special characters in the content, email clients are prevented from rendering the email improperly or executing scripts included in the content.
  • Displaying search results that include user-generated content. By escaping any special characters in the content, users can be confident that their search results are safe to view and engage with.

To use the _.escape method in your code, you must first install the lodash library, which can be done using npm or yarn. Once installed, you can import the method in your code and pass a string as an argument to receive the escaped HTML string as output:

import { escape } from 'lodash';

const unsafeString = 'Foo & Bar';
const safeString = escape(unsafeString);

console.log(safeString); // output: 'Foo &amp; Bar'

Overall, the _.escape method is a valuable tool for developers who need to display user-generated content as HTML in a safe and secure manner.