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  1. 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?

  2. Why is this returning the error .contains() is not a function

    Sep 19, 2018 · 2 You need to check exact property of the object. Contains will work only on strings or simple array, not array of abject. Should try like object.searchingProperty.Constains (searchingText);

  3. javascript - How to use .contains () or any other function to see if ...

    May 29, 2021 · How to use .contains () or any other function to see if any part of a string is in an array Asked 4 years, 8 months ago Modified 4 years, 8 months ago Viewed 3k times

  4. Does Javascript have a contains function? - Stack Overflow

    Aug 18, 2010 · 0 Mootools is one library that can help you write better cross browser javascript. It augments javascript basic types (strings, arrays, numbers, etc) with convenient methods like …

  5. 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;...

  6. 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.

  7. javascript - How can I check that a string does not include the text of ...

    Feb 12, 2016 · -1 For me jQuery Version is 1.10.2 To check the substring within the string you can use includes jQuery function like this

  8. 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)

  9. 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 for …

  10. How to check if a string contains text from an array of substrings in ...

    Apr 7, 2011 · Pretty straight forward. In javascript, I need to check if a string contains any substrings held in an array.