¡@
javascript Programming Glossary: valueofHow do I Convert a String into an Integer in JavaScript? http://stackoverflow.com/questions/1133770/how-do-i-convert-a-string-into-an-integer-in-javascript 1000 equivalent to round 1000 0 You don't see this much. valueOf is used mostly internally according to w3c var x 1000 .valueOf..
Why does 2 == [2] in JavaScript? http://stackoverflow.com/questions/1724255/why-does-2-2-in-javascript happens when evaluating 2 2 is basically this 2 Number 2 .valueOf .toString where valueOf for arrays returns the array itself.. 2 2 is basically this 2 Number 2 .valueOf .toString where valueOf for arrays returns the array itself and the string representation..
valueOf() vs. toString() in Javascript http://stackoverflow.com/questions/2485632/valueof-vs-tostring-in-javascript vs. toString in Javascript In Javascript every object has a.. toString in Javascript In Javascript every object has a valueOf and toString method. I would have thought that the toString.. conversion is called for but apparently it is trumped by valueOf . For example the code var x toString function return foo valueOf..
Javascript syntax I haven't seen till now, what does it do really? http://stackoverflow.com/questions/3245639/javascript-syntax-i-havent-seen-till-now-what-does-it-do-really deferred function plugins return Klass.addPlugins plugins valueOf is called to setup inheritance from a superclass deferred.valueOf.. is called to setup inheritance from a superclass deferred.valueOf function var Superclass deferred._super if Superclass return.. the shift operator is just used to induce a call to the valueOf method. It works like an overload of all operators taking over..
Does it matter which equals operator (== vs ===) I use in JavaScript comparisons? http://stackoverflow.com/questions/359494/does-it-matter-which-equals-operator-vs-i-use-in-javascript-comparisons that evaluates to the same literal due to its toString or valueOf method. For example consider the comparison of a string literal..
How do I get the difference between two Dates in JavaScript? http://stackoverflow.com/questions/41948/how-do-i-get-the-difference-between-two-dates-in-javascript Javascript auto casting and will automatically call the valueOf prototype method of those objects. It happens that the valueOf.. prototype method of those objects. It happens that the valueOf method is implemented in the Date object as a call to getTime..
Conflicting boolean values of an empty JavaScript array http://stackoverflow.com/questions/4226101/conflicting-boolean-values-of-an-empty-javascript-array convert false to Number 0 convert to Primitive toString valueOf 0 convert to Number 0 0 end The second comparison is converted.. end The second comparison is converted to primitive their valueOf and toString methods are executed but since valueOf on Array.. their valueOf and toString methods are executed but since valueOf on Array objects returns the object itself is inherited from..
Is it possible to get the non-enumerable inherited property names of an object? http://stackoverflow.com/questions/8024149/is-it-possible-to-get-the-non-enumerable-inherited-property-names-of-an-object reduce filter reverse every hasOwnProperty isPrototypeOf valueOf __defineGetter__ __defineSetter__ __lookupGetter__ propertyIsEnumerable..
Are there are any side effects of using this method to convert a string to an integer http://stackoverflow.com/questions/8112757/are-there-are-any-side-effects-of-using-this-method-to-convert-a-string-to-an-in NaN NaN 0 0 _ function return 1 Function _ used below s valueOf _ NaN NaN 1 1 1 t toString _ 1 1 1 1 1 Intervals 1e 20 1e20.. at the .toString method. The other methods first look for .valueOf then .toString . See q t . NaN Not A Number typeof NaN 'number'..
What is the purpose of new Boolean() in Javascript? http://stackoverflow.com/questions/856324/what-is-the-purpose-of-new-boolean-in-javascript To get the primitive value back you'll have to invoke the valueOf method. This is needed if you want to actually use the wrapped..
|