indexof Archives

[Solved] Jquery – Find a word in a string and wrap it with tag

February 10, 2023 by Kirat

You need to do this : var txt = textDiv.replace(new RegExp(searchInput, ‘gi’), function(str) { return “” + str + “” }); or var txt = textDiv.replace( new RegExp(searchInput, ‘gi’), “$&”); gi -> all case insensitive matching text $(document).ready(function() { // globals var searchInput; var textDiv; $(‘.searchBtn’).click(function(event) { event.preventDefault(); // set the values of … Read more

[Solved] Jquery – Find a word in a string and wrap it with tag

February 10, 2023 by Kirat

Introduction This tutorial will provide a step-by-step guide on how to use jQuery to find a word in a string and wrap it with a tag. This is a useful technique for highlighting certain words or phrases in a string of text. We will be using the jQuery .each() and .wrap() functions to achieve this. … Read more

[Solved] How can I remove a index in the array on the javascript?

January 20, 2023 by Kirat

Use Array.filter var clubs = [ {id: 1, name : ‘chelsea’}, {id: 2, name : ‘city’}, {id: 3, name : ‘liverpool’} ]; clubs = clubs.filter(function(item){ return item.id !== 2; }); console.log(clubs); 12 solved How can I remove a index in the array on the javascript?

[Solved] Unable to use substring and index of() to get the substring and put a null check on it [closed]

January 11, 2023 by Kirat

It’s very unclear what you want to do because on the one hand you mention you want to use Substring and IndexOf, and on the other hand, you put it on comment and say you want to check if it’s null, and which you’re already checking if the string customFolders is null or empty. I … Read more

[Solved] JavaScript taking information from a email address

December 13, 2022 by Kirat

First get the email address to parse. You’ve already done that. Here, x contains the email address. var x = document.getElementById(“myText”).value; Now you can use x.indexOf(“.”) to get the position of the first period. Likewise, use x.indexOf(“@”) to get the position of the “@” symbol. These two values are passed to x.substring() to get the … Read more

[Solved] JavaScript IndexOf with heterogeneous array [closed]

November 7, 2022 by Kirat

Why 5 is missing ? console.log(5 === “5”) indexOf(5) isn’t -1 because 5 and “5” are two different value ( indexOf uses strict equality ) MDN indexOf console.log([5].indexOf(5)) console.log([“5”].indexOf(5)) How can i match both 5 or “5” ? Check for both numeric and string value. var myArray = [“2”, “3”, 5] var found = []; … Read more

[Solved] “Hello”.indexOf(“”) returns 0 [duplicate]

November 5, 2022 by Kirat

First, if you were looking for a null character you would probably want to do (char)0 because “” is an empty string (no character). Second, if Java uses a null character (they don’t have to IIRC) then they hide it. EDIT: Struck my third point because I’m not sure about it anymore. SECOND EDIT: I … Read more

[Solved] Wrong output from a while loop using indexOf [duplicate]

November 1, 2022 by Kirat

So now the problem is that .indexOf still returns the true index of “ea” in wordTwo – it doesn’t take into account where you start from. Also, setting positionCount equal to where you find the word and then searching from that position again is just going to make you immediately find the same instance of … Read more

[Solved] Wrong output from a while loop using indexOf [duplicate]

November 1, 2022 by Kirat

Introduction This question is a duplicate of a previously asked question. The issue is that a while loop is not producing the expected output. This can be caused by a variety of issues, such as incorrect syntax, incorrect logic, or incorrect use of the indexOf function. In this post, we will discuss the possible causes … Read more

[Solved] Check for the value Of a var and reply If it includes the character “Hi” [closed]

November 1, 2022 by Kirat

You could check for ‘Hi’ at index 0. var text = “Hi I am Anonymous”; if (text.indexOf(“Hi”) === 0) { document.getElementById(“test”).innerHTML = “Hey Anonymous”; } 0 solved Check for the value Of a var and reply If it includes the character “Hi” [closed]

[Solved] Index and length must refer to a location within the string ASP.NET [duplicate]

October 23, 2022 by Kirat

I think you are looking for String.Insert Returns a new string in which a specified string is inserted at a specified index position in this instance. So simply use return name.Insert(extPos, “_180x140”); However as per your error is concerned use return name.Substring(0, extPos) + “_180x140” + name.Substring(extPos); solved Index and length must refer to a … Read more

[Solved] String.indexOf gives a value one less than expected

October 11, 2022 by Kirat

Indexes are zero-based: ↓ Peter Piper picked a peck of pickled pepper 111111111122222222223333333333444 0123456789012345678901234567890123456789012 ↑ The first p is at index 8. From the javadoc of indexOf(): Returns the index of the first occurrence of the character in the character sequence represented by this object, or -1 if the character does not occur. solved String.indexOf … Read more

[Solved] Java making a method that does the same thing as str.indexOf() from the java.lang.string class

October 6, 2022 by Kirat

It should look something like this: //method declarations need to declare the return type, name, and arguments int indexOf(String s, char ch) { //loop over each index in the string for (int i = 0; i < s.length(); i++) { //if the char at this index is the one we are looking for if (ch … Read more

[Solved] How to find index of object in a array from JSON – Angular 2

September 29, 2022 by Kirat

The Array.prototype.findIndex() method returns an index of the first element in the array that satisfies the provided testing function. function isBigEnough(element) { return element >= 15; } [12, 5, 8, 130, 44].findIndex(isBigEnough); // 3 solved How to find index of object in a array from JSON – Angular 2