How do I test if a variable does not equal either of two values?
I want to write an if/else statement that tests if the value of a text input does NOT equal either one of two different values. Like this (excuse my pseudo-English code): var test = $("#test").val...
javascript - If condition is not equal to -1 - Stack Overflow
Jul 15, 2013 · If it is not found, just for safety purposes it returns -1. This is because 0 is an index in the object. For example: "hello world" h = 0 e = 1 l = 2 ... so if it is not found it will be -1, and …
How to use OR condition in a JavaScript IF statement?
Jan 11, 2023 · If condition2 is NOT in it's own brackets then condition1 has to be x AND condition2 has to be y for the function to trigger..... but it will also trigger if condition2 is z, …
What is the correct way to check for string equality in JavaScript ...
Aug 27, 2010 · However, note that string objects will not be equal. new String("a") == new String("a") will return false. Call the valueOf() method to convert it to a primitive for String …
if statement - What is the Javascript equivalent of writing 'If not ...
Python programmer here. I don't know how to write this. I tried using 'if !in' and '!if in', but I don't know how. Tried to Google it but got no results.
javascript - How to check if a variable is not null? - Stack Overflow
Sep 5, 2017 · This check is actually not safe. If myvar is 0, false or any other falsy value the test will fail (if you only intend to check for not null). So only use this to check for not null if the …
Which equals operator (== vs ===) should be used in JavaScript ...
Dec 11, 2008 · The top 2 answers both mentioned == means equality and === means identity. Unfortunately, this statement is incorrect. If both operands of == are objects, then they are …
if statement - Javascript: comparing two values always not equal ...
Feb 20, 2012 · As you can see in my code I have on server some check box and I attached to it a JavaScript function. This function gets two values (current value and original value). My …
if statement - how to compare two strings in javascript if condition ...
Feb 18, 2017 · When you have a single variable that may contain many different values, using a switch statement can be more logical and more efficient since it only has to look up the value …
How does the single equal sign work in the if statement in javascript
Feb 1, 2014 · @MightyPork Juhana's objection is not that the information in this answer is wrong (although some of it is, per my first comment), but that it is not complete. There is nothing …