WebTo get the first word of a string in JavaScript: Use the String.split () method to split the string into an array of words. Access the array at index 0 to get the first word of the string. index.js. const str = 'Hello world'; const first = str.split(' ')[0] console.log(first); The String.split () method splits a string into an array based on ... WebDec 3, 2024 · To get the first character of a string, we can call charAt () on the string, passing 0 as an argument. For example, str.charAt (0) returns the first character of str. …
Array.prototype.indexOf() - JavaScript MDN - Mozilla Developer
WebNov 2, 2011 · 2 Answers. Sorted by: 4. It's: var variableName = img [0].image; What you have there is an array of objects. To get an array entry, you use [] with an array index ( 0 to one less than the length of the array). In this case, that gives you a reference to the object. To access an object's properties, you can use literal notation as I have above ... WebThere are 3 methods used to extract a part of a string: slice (start, end) - extracts a part of a string and returns the extracted part in a new string. substring (start, end) - similar to … describe the cultural legacy of minstrelsy
Array - JavaScript MDN - Mozilla Developer
WebDefinition and Usage. The indexOf () method returns the position of the first occurrence of specified character (s) in a string. Tip: Use the lastIndexOf method to return the position of the last occurrence of specified character (s) in a string. WebOct 5, 2012 · String.prototype.nthOccurrenceIndex = (charToMatch, occurrenceIndex)-> matches = 0 index = 0 for char in @ if char is charToMatch matches += 1 return index if matches is occurrenceIndex index += 1 -1 WebMar 30, 2024 · Array.prototype.findIndex () The findIndex () method returns the index of the first element in an array that satisfies the provided testing function. If no elements satisfy the testing function, -1 is returned. See also the find () method, which returns the first element that satisfies the testing function (rather than its index). describe the course of the korean war