![]() That started working well for her, so I worked with her younger brothers. She agreed, so when she went back to New Orleans I started working with her. My family was visiting me from New Orleans, which is where I was born and raised, and it just came out of a conversation that one of my cousins was having trouble in math, so I offered to tutor her. About a year out of business school, I was getting married in the Northeast. My original training or background was in tech and in math, but post business school, I found myself as an analyst at a hedge fund in Boston. SALMAN KHAN: Khan Academy started a little bit in a random way back in 2004. SHIV GAGLANI: The first question I have is just for the learners, for the people who don't know you, but they know Khan Academy, do you mind giving a bit of background about yourself and why you even started Khan Academy, and then obviously we'll go into how the past year with COVID has totally changed what you guys are doing. Sal, it's a total privilege to have you on the podcast today. We owe a lot of our roots at Osmosis to the work he's done because he hired Rishi Desai, our Chief Medical Officer, to begin Khan Academy Health and Medicine before he joined Osmosis. It has been translated into over 40 languages. As you know, he's the founder and CEO of Khan Academy, which has reached tens of millions of learners. I think he helped coin the term “flipping the classroom,” or at least popularized it with his famous Ted Talk, about a decade ago, that Bill Gates introduced him on. ![]() We've had a lot of amazing guests on the podcast, including Arianna Huffington and CEOs of various health systems and education companies, but among the most famous is Salman because of the major impact he's had over the past decade on the way all of us learn. ![]() Today on Raise the Line, I'm privileged to have one of our most well-known guests join us, Salman Khan.
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Javascript string prototype contains search method which accepts regular expression as parameter. We can simply add pollyfil method for includes as it uses indexOf method internally. Var isContainsAfterPosition = actualstring.indexOf("In",2) != -1 var actualstring = "In ES5 use IndexOf method", The indexOf method will return the substring position if it found, otherwise returns -1.Īnd indexOf method is case sensitive,accepts two parameter similar to includes method. Var isContains=actualstring.indexOf(substringToCheck) != -1 Go through the following code example to understand it further. In ES5 and before versions of Javascript we can use indexOf method to check if a string contains a substring or not. In older versions of Javascript, we can add a polyfill for include method if (!) 2.In ES5 and before using indexOf method # Includes method is very easy to use and comes with additional options like search position. As we are checking for ES6 substring after position 1. Var isContains = actualstring.includes(substringtocheck,1) If you want to check whether a string contains a substring only after a certain position you can pass the search position as a parameter as shown in the below examples. The second parameter search position is optional and the default value is 0. Javascript string includes method accepts two parameters Includes method is case sensitive, so the below substring check returns false var substringtocheck = "Includes" Var isContains = actualstring.includes(substringtocheck) Var actualstring="ES6 contains includes method" We will take an example and understand it further. If you are using latest versions of Javascript like ES6 you can use include method to check if a string contains a substring or not as shown below.
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