JavaScript Core objects, methods, properties. Var newText1 = document.createTextNode("Extract Fruits List : " + newfruitslist) newParagraph1.appendChild(newText1) ĭ(newParagraph1) string.split (separator, limit) Separator: Defines how to split a string by a comma, character etc. It takes 2 parameters, and both are optional.
It divides a string into substrings and returns them as an array. The split ( ) method is used for strings. Var newParagraph1 = document.createElement("p") Split ( ) Slice ( ) and splice ( ) methods are for arrays. Var newfruitslist = fruitslist.slice(0,-2) Var newText = document.createTextNode("List of Fruits : "+fruitslist) JS Code var fruitslist = new Array("Orange","Apple","Banana","Chery") JavaScript slice() method from last two - example In the following web document, slice() method extract last two elements from fruitslist and creates a new array.
Practice the example online JavaScript slice() method example Var newText = document.createTextNode("Extract Fruits List : " + newfruitslist) Var newfruitslist =fruitslist.slice(1,3) Var newText = document.createTextNode("List of Fruits : " + fruitslist)
Var newParagraph = document.createElement("p") JS Code var fruitslist = new Array("Orange","Apple","Banana","Chery" ) In the following web document, slice() method extract second and third elements from fruitslist and creates a new array. As a negative index, end indicates an offset from the end of the sequence The starting position is required and end position is optional, if end is omitted, slice extracts to the end of the sequence. The method returns a new array and it does not change the original array, selected elements of the original array are copied into a new array.īegin: Specifies where to begin the extraction.Įnd: Specifies where to end the extraction. Enable JavaScript to view data.The slice() method is used to extract a section of an array. min (end, len ) : len if (end 0 ) ( ) ) 規範 SpecificationĮCMAScript Language Specification # īCD tables only load in the browser with JavaScript enabled. max ( 0, len + start ) // Handle negative value for "end" var upTo = ( typeof end = 'number' ) ? Math. * Shim for "fixing" IE's lack of support (IE = 0 ) ? start : Math. Object.prototype._lookupGetter_() (en-US) 已棄用.Object.prototype._defineSetter_() (en-US) 已棄用.Object.prototype._defineGetter_() (en-US) 已棄用.
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