How to check whether a string contains a substring in JavaScript ...
Nov 24, 2009 · Usually I would expect a String.contains() method, but there doesn't seem to be one. What is a reasonable way to check for this?
How to tell if a string contains a certain character in JavaScript?
16 ES6 contains inbuilt method (includes) in String's prototype, which can be used to check if string contains another string or not.
How do I check if an array includes a value in JavaScript?
What is the most concise and efficient way to find out if a JavaScript array contains a value? This is the only way I know to do it: function contains (a, obj) { for (var i = 0; i < a.length;...
How to check if a string contains text from an array of substrings …
Apr 7, 2011 · Pretty straight forward. In javascript, I need to check if a string contains any substrings held in an array.
javascript - How do I check if string contains substring ... - Stack ...
1168 This question already has answers here: How to check whether a string contains a substring in JavaScript? (3 answers)
javascript - Check if a string has a certain piece of text - Stack …
Possible Duplicates: Check if text is in a string JavaScript: string contains I'm trying to check if a string I import into my application has a certain piece of text. I know how to do this w...
javascript - if variable contains - Stack Overflow
Oct 22, 2012 · Possible Duplicate: JavaScript: string contains I have a postcode variable and want to use JS to add a location into a different variable when the postcode is changed/entered. So …
Fastest way to check a string contain another substring in JavaScript?
Jul 23, 2017 · 261 I'm working with a performance issue on JavaScript. So I just want to ask: what is the fastest way to check whether a string contains another substring (I just need the boolean …
Check if a string contains any element of an array in JavaScript
May 25, 2016 · 71 How can I check if a string contains any element of an array? I want to filter some array if the element has some string. Please see below code.
javascript - How to check if a string contain specific words? - Stack ...
6 In javascript the includes () method can be used to determines whether a string contains particular word (or characters at specified position). Its case sensitive.