JavaScript offers many ways to check if a string contains a substring. Learn the canonical way, and also find out all the options you have, using plain JavaScript
Check if a string includes "world": lettext ="Hello world, welcome to the universe."; letresult = text.includes("world"); Try it Yourself » More examples below. Description Theincludes()method returnstrueif a string contains a specified string. ...
JavaScript String includes() Theincludes()method returns true if a string contains a specified value. Otherwise it returnsfalse. Examples Check if a string includes "world": lettext ="Hello world, welcome to the universe."; text.includes("world"); ...
If false, jQuery's text method will be used to insert content into the DOM. Use text if you're worried about XSS attacks. placement string | function 'top' How to position the tooltip - top | bottom | left | right | auto.When "auto" is specified, it will dynamically reorient the ...
If false, jQuery's text method will be used to insert content into the DOM. Use text if you're worried about XSS attacks. placement string | function 'top' How to position the tooltip - top | bottom | left | right | auto.When "auto" is specified, it will dynamically reorient the ...
(t,e).length}}),contains:le(function(t){return t=t.replace(te,ne),function(e){return-1<(e.textContent||o(e)).indexOf(t)}}),lang:le(function(n){return V.test(n||"")||se.error("unsupported lang: "+n),n=n.replace(te,ne).toLowerCase(),function(e){var t;do{if(t=E?
$(function () { //Create the tree inside the element.与zTree类似 // 基础配置,返回数据包括 $("#tree") .fancytree({ source: [ { "title": "Node 1", "key": "1" }, { "title": "Folder 2", "key": "2", "folder": true, "children": [ ...
Location.contains(Location) indicates whether one location completely contains another location; l1.contains(l2) holds if, and only if, l1.startsBefore(l2) and l1.endsAfter(l2). Lines Lines of text in files are represented by the class Line. This class offers the following member predicates: ...
The C API provides functions to convert Javascript Strings to C UTF-8 encoded strings. The most common case where the Javascript string contains only ASCII characters involves no copying. The object shapes (object prototype, property names and flags) are shared between objects to save memory. ...
methodsay(text: string): Promise<void | Message>send text, Contact, or file to contact, return the message which the bot sent (onlypuppet-padplussupported). methodself(): booleancheck if contact is self methodname(): stringget the name from a contact ...