JavaScript data types and data structures
Here in this article we are reading about “J avaScript data types and data structures ” . Programming languages all have built-in data structures, but these often differ from one language to another. This article attempts to list the built-in data structures available in JavaScript and what properties they have; these can be used to build other data structures. Wherever possible, comparisons with other languages are drawn. Dynamic typing JavaScript is a loosely typed or a dynamic language. Variables in JavaScript are not directly associated with any particular value type, and any variable can be assigned (and re-assigned) values of all types: 1 2 3 <span class="token keyword">var</span> foo <span class="token operator">=</span> <span class="token number">42</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">//...