underscorejs code snippets in javascript

how to use the constant function from the underscore library in javascript

how to use the defaults function from the underscore library in javascript

how to use the findkey function from the underscore library in javascript

how to use the findlastindex function from the underscore library in javascript

how to use the isset function from the underscore library in javascript

how to use the isweakmap function from the underscore library in javascript