JavaScript tutorial - most useful operations

In this article, we would like to show you the most useful JavaScript operations.

• string to number
• string to int
• string to float
• string to boolean
• string to date
• string to time
• string to DateTime
• string to millisecond time
• string to array - split string to array
• string to lowercase
• string to uppercase
• string to lowercase and uppercase

• json text to string variable
• json text to object variable
• json text to array variable
• json text to dictionary variable
• json text to csv

• string variable to json text

• make first letter of string uppercase
• underscore to camelcase notation
• camelcase to underscore notation

• find text in string

• number to string
• number to binary
• number to currency
• number to hex
• number to date
• number to boolean
• number to array of digits
• number to letter
• number to words
• number to integer
• number to decimal
• number to bits
• number to byte
• number to base64
• number to bit array

JavaScript convert int to string
JavaScript convert int to float
JavaScript convert int to binary
JavaScript convert decimal to hexadecimal

JavaScript display float with 2 decimal places
JavaScript format number to always display 2 decimal places

• JavaScript - loops: for, while, do while

• Math.abs()
• Math.acos()
• Math.asin()
• Math.atan()
• Math.atan2()
• Math.ceil()
• Math.cos()
• Math.exp()
• Math.floor()
• Math.log()
• Math.log2()
• Math.log10()
• Math.max()
• Math.min()
• Math.pow()
• Math.random()
• Math.round()
• Math.sign()
• Math.sin()
• Math.sqrt()
• Math.tan()
• Math.trunc()

• Math.PI
• Math.E
• Math.LN2
• Math.LN10
• Math.LOG2E
• Math.LOG10E
• Math.SQRT2
• Math.SQRT1_2

• charAt()
• charCodeAt()
• codePointAt()
• concat()
• endsWith()
• includes()
• indexOf()
• lastIndexOf()
• localeCompare()
• match()
• matchAll()
• normalize()
• padEnd()
• padStart()
• repeat()
• replace()
• search()
• slice()
• split()
• startsWith()
• substring()
• toLocaleLowerCase()
• toLocaleUpperCase()
• toLowerCase()
• toString()
• toUpperCase()
• trim()
• trimEnd()
• trimStart()
• valueOf()

• String.fromCharCode()
• String.fromCodePoint()

• prototype
• length
• constructor