It seems there might be a slight misunderstanding in your request. If you are looking for a list of commonly used JavaScript methods or functions that developers frequently use, rather than a specific count of 100 methods, here is a list of highly utilized methods in JavaScript:
- document.getElementById(): Retrieves an element by its ID.
- document.querySelector(): Returns the first element that matches a specified CSS selector.
- document.createElement(): Creates a new HTML element.
- addEventListener(): Attaches an event handler to an element.
- querySelectorAll(): Returns a static NodeList representing a list of elements.
- getElementByClassName(): Returns a collection of elements with the given class name.
- getElementByTagName(): Returns a live HTMLCollection of elements with the given tag name.
- innerHTML: Gets or sets the HTML content within an element.
- textContent: Gets or sets the text content of a node and its descendants.
- setAttribute(): Sets the value of an attribute on the specified element.
- removeAttribute(): Removes the specified attribute from an element.
- classList: Provides methods to manipulate the class attributes of an element.
- appendChild(): Appends a node as the last child of a node.
- removeChild(): Removes a child node from the DOM.
- parentNode: Returns the parent node of a specified node.
- nextSibling: Returns the next node at the same hierarchical level.
- previousSibling: Returns the previous node at the same hierarchical level.
- console.log(): Outputs a message to the console.
- alert(): Displays an alert dialog with a specified message.
- confirm(): Displays a dialog box with a specified message and OK/Cancel buttons.
- prompt(): Displays a dialog box that prompts the user for input.
- setTimeout(): Calls a function or evaluates an expression after a specified number of milliseconds.
- setInterval(): Calls a function or evaluates an expression at specified intervals.
- clearTimeout(): Clears the timeout set by setTimeout().
- clearInterval(): Clears the interval set by setInterval().
- localStorage: Provides a way to store key/value pairs locally.
- sessionStorage: Similar to localStorage but scoped to a session.
- JSON.parse(): Parses a JSON string, converting it to a JavaScript object.
- JSON.stringify(): Converts a JavaScript object into a JSON string.
- Array.isArray(): Checks if a value is an array.
- Array.from(): Creates a new array from an array-like or iterable object.
- Array.push(): Adds one or more elements to the end of an array.
- Array.pop(): Removes the last element from an array.
- Array.shift(): Removes the first element from an array.
- Array.unshift(): Adds one or more elements to the beginning of an array.
- Array.splice(): Adds or removes elements from an array.
- Array.slice(): Returns a shallow copy of a portion of an array.
- Array.concat(): Combines two or more arrays.
- Array.reverse(): Reverses the order of the elements in an array.
- Array.sort(): Sorts the elements of an array.
- Array.indexOf(): Returns the first index at which a given element is found in the array.
- Array.lastIndexOf(): Returns the last index at which a given element is found in the array.
- Array.includes(): Determines whether an array includes a specific element.
- Array.map(): Creates a new array by applying a function to each element.
- Array.filter(): Creates a new array with elements that satisfy a condition.
- Array.reduce(): Applies a function to reduce an array to a single value.
- Array.forEach(): Executes a provided function once for each array element.
- Array.every(): Checks if all elements in an array pass a test.
- Array.some(): Checks if at least one element in an array passes a test.
- String.length: Returns the length of a string.
- String.charAt(): Returns the character at a specified index in a string.
- String.concat(): Combines two or more strings.
- String.indexOf(): Returns the index of the first occurrence of a specified value in a string.
- String.lastIndexOf(): Returns the index of the last occurrence of a specified value in a string.
- String.slice(): Extracts a section of a string and returns a new string.
- String.substring(): Returns a subset of a string between two specified indices.
- String.substr(): Returns the characters in a string beginning at a specified location.
- String.replace(): Replaces a specified value or pattern with another value in a string.
- String.toUpperCase(): Converts a string to uppercase.
- String.toLowerCase(): Converts a string to lowercase.
- String.trim(): Removes whitespace from both ends of a string.
- String.split(): Splits a string into an array of substrings based on a specified delimiter.
- String.match(): Searches a string for a specified pattern and returns the matches.
- String.search(): Searches a string for a specified value or regular expression.
- String.includes(): Checks if a string contains another string.
- String.startsWith(): Checks if a string starts with a specified value.
- String.endsWith(): Checks if a string ends with a specified value.
- String.repeat(): Returns a new string repeated a specified number of times.
- String.padStart(): Pads a string with a specified character until it reaches a specified length.
- String.padEnd(): Pads a string's end with a specified character until it reaches a specified length.
- Number.parseInt(): Parses a string argument and returns an integer.
- Number.parseFloat(): Parses a string argument and returns a floating-point number.
- Number.isNaN(): Determines whether a value is NaN.
- Number.isFinite(): Determines whether a value is a finite number.
- Number.MAX_VALUE: Represents the maximum numeric value representable in JavaScript.
- Number.MIN_VALUE: Represents the minimum positive numeric value representable in JavaScript.
- Math.random(): Returns a random floating-point number between 0 (inclusive) and 1 (exclusive).
- Math.round(): Rounds a number to the nearest integer.
- Math.floor(): Rounds a number down to the nearest integer.
- Math.ceil(): Rounds a number up to the nearest integer.
- Math.abs(): Returns the absolute value of a number.
- Math.pow(): Raises a number to the power of another number.
- Math.sqrt(): Returns the square root of a number.
- Math.min(): Returns the smallest of zero or more numbers.
- Math.max(): Returns the largest of zero or more numbers.
- Math.sin(): Returns the sine of a number.
- **Math.cos
():** Returns the cosine of a number.
- Math.tan(): Returns the tangent of a number.
- Math.PI: Represents the mathematical constant π (pi).
- Math.E: Represents the mathematical constant e.
- Math.log(): Returns the natural logarithm of a number.
- Math.exp(): Returns the value of e raised to the power of a number.
- Math.random(): Returns a pseudo-random number between 0 and 1.
- Date(): Creates a new Date object representing the current date and time.
- Date.now(): Returns the current timestamp.
- Date.getFullYear(): Returns the year of a Date object.
- Date.getMonth(): Returns the month of a Date object (0-11).
- Date.getDate(): Returns the day of the month of a Date object.
- Date.getHours(): Returns the hour of a Date object (0-23).
- Date.getMinutes(): Returns the minutes of a Date object.
These methods and functions are commonly used in JavaScript for various tasks, ranging from DOM manipulation to string and array operations.
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