jquery array indexof
Return Values. If no argument is passed to the .index() method, the return value is an integer indicating the position of the first element within the jQuery object relative to its sibling elements. If .index() is called on a collection of elements and a , The indexOf() method returns the first index at which a given element can be found in the array, or -1 if it is not present.,indexOf in browsers that support it (almost all of them these days), while providing a shim in those that don't. It is essentially equivalent to adding a shim to Array.prototype , which is a more idiomatic/JSish way of doing things. MDN provides such , up vote 0 down vote. Try this jQuery(function() jQuery('.validator').click(function(i) console.log(jQuery(this).index()); }); }). JS Fiddle: http://jsfiddle.net/X74Qw/ ..., index() ? It's like indexOf ... but just without the Of ... it returns the index of the element if it exists, and -1 if it doesn't., You'll have to loop through each .User element using jQuery.each , and it will be easier to make the array a regex or creating one from it like this: var Lucky_Names = ["Florence", "Brenda", "Steven"]; var regex = new Re,The search will start at the specified position, or at the beginning if no start position is specified, and end the search at the end of the array. Returns -1 if the item is not found. If the item is present more than once, the indexOf method returns the , 方法一： indexOf. 使用原生JavaScript 的 Array.prototype.indexOf() 。 如下例，陣列fruit 中有三種水果，分別是蘋果(apple)、橘子(orange) 和葡萄(grape)。 ... 使用jQuery 的 $.inArray 。 如下例，在陣列fruit 中找水果。 找「鳳梨」(pineapple)，回傳-1，表示找不到。 找「葡萄」(grape)，回傳2，表示在陣列中的第三個位置 ...,If "invert" is true, then the function returns an array consisting of all elements for which "callback" returns false. The $.grep() method removes items from an array as necessary so that all remaining items pass a provided test. The t,The $.inArray() method is similar to JavaScript's native .indexOf() method in that it returns -1 when it doesn't find a match. If the first element within the array matches value , $.inArray() returns 0. Because JavaScript treats 0 as loosely equa
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 jquery array indexof 相關參考資料
.index() | jQuery API Documentation
Return Values. If no argument is passed to the .index() method, the return value is an integer indicating the position of the first element within the jQuery object relative to its sibling elements. I... https://api.jquery.com Array.prototype.indexOf() - JavaScript | MDN
The indexOf() method returns the first index at which a given element can be found in the array, or -1 if it is not present. https://developer.mozilla.org How to find if an array contains a specific string in JavaScript ...
indexOf in browsers that support it (almost all of them these days), while providing a shim in those that don't. It is essentially equivalent to adding a shim to Array.prototype , which is a more ... https://stackoverflow.com javascript - Get the array index of a jQuery selector - Stack Overflow
up vote 0 down vote. Try this jQuery(function() jQuery('.validator').click(function(i) console.log(jQuery(this).index()); }); }). JS Fiddle: http://jsfiddle.net/X74Qw/ ... https://stackoverflow.com javascript - How to find indexOf element in jQuery array? - Stack ...
index() ? It's like indexOf ... but just without the Of ... it returns the index of the element if it exists, and -1 if it doesn't. https://stackoverflow.com javascript - jQuery - compare indexOF from an array - Stack Overflow
You'll have to loop through each .User element using jQuery.each , and it will be easier to make the array a regex or creating one from it like this: var Lucky_Names = ["Florence", &quo... https://stackoverflow.com JavaScript Array indexOf() Method - W3Schools
The search will start at the specified position, or at the beginning if no start position is specified, and end the search at the end of the array. Returns -1 if the item is not found. If the item is ... https://www.w3schools.com JavaScript 陣列處理：找東西- indexOf、$.inArray 與filter | Summer。桑莫 ...
方法一： indexOf. 使用原生JavaScript 的 Array.prototype.indexOf() 。 如下例，陣列fruit 中有三種水果，分別是蘋果(apple)、橘子(orange) 和葡萄(grape)。 ... 使用jQuery 的 $.inArray 。 如下例，在陣列fruit 中找水果。 找「鳳梨」(pineapple)，回傳-1，表示找不到。 找「葡萄」(grap... https://cythilya.github.io jQuery.grep() | jQuery API Documentation
If "invert" is true, then the function returns an array consisting of all elements for which "callback" returns false. The $.grep() method removes items from an array as necessary ... http://api.jquery.com jQuery.inArray() | jQuery API Documentation
The $.inArray() method is similar to JavaScript's native .indexOf() method in that it returns -1 when it doesn't find a match. If the first element within the array matches value , $.inArray()... https://api.jquery.com |