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javascript Programming Glossary: exprWhat does `!!~` mean in javascript? [duplicate] http://stackoverflow.com/questions/10582286/what-does-mean-in-javascript comparison operators share improve this question The ~expr returns false when expr is 1 it returns true otherwise. It works.. share improve this question The ~expr returns false when expr is 1 it returns true otherwise. It works like this 1 1111 1111.. specified needle ~ abc .indexOf d indexOf returns 1 the expression evaluates to false ~ abc .indexOf a indexOf returns 0..
How do I enable automatic folds in Vim? http://stackoverflow.com/questions/4789605/how-do-i-enable-automatic-folds-in-vim define folds indent more indent means a higher fold level expr specify an expression to define folds syntax folds defined by.. more indent means a higher fold level expr specify an expression to define folds syntax folds defined by syntax highlighting..
Strange javascript operator: expr >>> 0 http://stackoverflow.com/questions/5747123/strange-javascript-operator-expr-0 javascript operator expr 0 the following function is designed to implement the indexOf..
Can you explain why ++[[]][+[]]+[+[]] = “10”? http://stackoverflow.com/questions/7202157/can-you-explain-why-10 UnaryExpression is evaluated as follows Let expr be the result of evaluating UnaryExpression. Return ToNumber.. of evaluating UnaryExpression. Return ToNumber GetValue expr . ToNumber says Object Apply the following steps Let primValue.. UnaryExpression is evaluated as follows Let expr be the result of evaluating UnaryExpression. Return ToNumber..
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