Tag: learning javascript

JavaScript Numbers

JavaScript has only one type of number. Numbers can be written with or without decimals. Example var x = 3.14;    // A number with decimals var y = 3;       // A number without decimals Try it yourself » Extra large or extra small numbers can be written with scientific (exponent) notation: Example var x = 123e5;    // 12300000 var y = 123e-5;   // 0.00123 JavaScript Numbers are […]

JavaScript Strings

JavaScript strings are used for storing and manipulating text. JavaScript Strings A JavaScript string is zero or more characters written inside quotes. Example var answer = “It’s alright”; var answer = “He is called ‘Johnny’”; var answer = ‘He is called “Johnny”‘; Try it Yourself » String Length The length of a string is found in the built in property length: Example […]