SyntaxFix

[javascript] Check if a string has a certain piece of text

Here you go: ES5

var test = 'Hello World';
if( test.indexOf('World') >= 0){
  // Found world
}

With ES6 best way would be to use includes function to test if the string contains the looking work.

const test = 'Hello World';
if (test.includes('World')) { 
  // Found world
}

Examples related to javascript

• need to add a class to an element • How to make a variable accessible outside a function? • Hide Signs that Meteor.js was Used • How to create a showdown.js markdown extension • Please help me convert this script to a simple image slider • Highlight Anchor Links when user manually scrolls? • Summing radio input values • How to execute an action before close metro app WinJS • javascript, for loop defines a dynamic variable name • Getting all files in directory with ajax

Examples related to string

• How to split a string in two and store it in a field • String method cannot be found in a main class method • Kotlin - How to correctly concatenate a String • Replacing a character from a certain index • Remove quotes from String in Python • Detect whether a Python string is a number or a letter • How does String substring work in Swift • How does String.Index work in Swift • swift 3.0 Data to String? • How to parse JSON string in Typescript