What is the difference between a third-class sign and a double-equal sign in JavaScript

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The difference between third-class sign and double-equal sign

/ / A pair of equal signs-convert two operands to the same type, and then compare console.log (0 ='o'); / / true / / third class sign-do not convert to the same type console.log (0 = ='0'); / / what are the characteristics of falseJavaScript 1. Js belongs to an interpretive scripting language; 2. With the support of most browsers, js can run on multiple platforms and has cross-platform characteristics. 3. Js belongs to a weak type scripting language, which does not make strict requirements for the data types used, and can convert types, which is simple and easy to use; 4. Js language has high security, and it can only browse information or interact dynamically through the browser, thus effectively preventing the loss of data; 5, object-based scripting language, js can not only create objects, but also use existing objects.

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