Javascript array splice arguments12/8/2023 ![]() ![]() "If no howMany parameter is specified (second syntax above, which (/deleteCount/),0),/len/ –/ actualStart/)."Īrguments." - therefore, a.splice(2) leads to unspecified behavior.ĭ/en/JavaScript/Reference/Global_Objects/Array/splice,Īrray, similar to the substring method. "Let /actualDeleteCount/ be min(max(ToInteger > wrote: Just checked and IE8 returns `` correctly weeee!Ī.splice(2) // -> in latest Chrome, Opera,įirefox, Safari, Rhino, RingoJS, you name itīy spec though I thought the `deleteCount` should be `0` and Something which should be *added* to the spec. "If no howMany parameter is specified (second syntax above, which is a > "Let *actualDeleteCount* be min(max(ToInteger > by spec though I thought the `deleteCount` should be `0` and so return > a.splice(2) // -> in latest Chrome, Opera, Firefox, Safari, > On Tue, at 8:49 AM, John-David Dalton at > wrote: Something which should be added to the spec. Spidermonkey extension, but technically because it is unspecified, browsersĬan do what they want and still be considered compliant. SpiderMonkey extension), all elements after index are removed."īasically, what is happening here is that everyone else accepted the Splice called with only a single argument removes until the end of theĪrray, similar to the substring method. Ifĭocs /en/JavaScript/Reference/Global_Objects/Array/splice, The spec states: "When the splice method is called with two or moreĪrguments." - therefore, a.splice(2) leads to unspecified behavior. ( deleteCount),0), len –* actualStart*)."Īm I reading it wrong or is this a bug in most engines? "Let actualDeleteCount be min(max(ToInteger /#x9.4 On Tue, at 8:49 AM, John-David Dalton wrote:Ī.splice(2) // -> in latest Chrome, Opera, Firefox, Safari,īy spec though I thought the deleteCount should be 0 and so return Just checked and IE8 returns correctly weeee! On Tue, at 9:09 AM, John-David Dalton wrote: What about we say it's a spec bug and say IE8- is wrong while the rest > Am I reading it wrong or is this a bug in most engines? > "Let /actualDeleteCount/ be min(max(ToInteger > by spec though I thought the `deleteCount` should be `0` and so > a.splice(2) // -> in latest Chrome, Opera, Firefox, You can use the filter() method to remove elements from an array based on a certain condition.> Just checked and IE8 returns `` correctly weeee! This method allows you to filter an array and return a new array with only the elements that meet a certain criteria. ![]() You can check the compatibility table on MDN for more information. However, it is not yet widely supported by browsers or environments. Instead, it returns a new array with some elements removed and/or replaced at a given index. ![]() ![]() There’s a new proposed toSpliced() method is similar to the splice() method, but it does not modify the original array. log (arr ) // // remove 6 from the arrayĬonsole. log (arr ) // // replace the third and fourth elements with "a" and "b"Īrr. log (arr ) // // remove the first element of the arrayĬonsole. Var arr = // add 6 and 7 at the end of the arrayĪrr. ![]()
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |