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so in todayamp;#39;s web dev tip weamp;#39;re going to take a look at the double knot or double bang operator in javascript so letamp;#39;s say weamp;#39;ve got some code that weamp;#39;re working with that looks a little bit like this so weamp;#39;ve got a variable declared and itamp;#39;s got a string inside it and then weamp;#39;ve got a simple if statement but rather than checking the contents of the string weamp;#39;ve just got the variable name inside the parentheses so what weamp;#39;re actually doing here is weamp;#39;re saying if the my name variable is truthy so for strings a truthy value is anything that has some content inside it an empty string is considered falsy so for example if we were to just set this as an empty string the console log message disappears so the reason iamp;#39;m mentioning that is because the reason our if statement works here is because the my name variable is being tested to see if itamp;#39;s truthy and then the console log message is
