Instead of returning an array of matched elements, it returns a node list.
KISS applies everywhere.
Referencing items in arrays is done with a numeric index, starting at zero and ending with the array length minus 1.
If you pass an object instead of an array the function loops over the object's properties, using the name as a key. There are scenarios where forEach adds value.
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|Array methods: everysomefindand findIndex test the array elements with a predicate returning a truthy value to determine if further iteration is required.
Where array. The traditional for loop is easy to understand, but sometimes the syntax can be tedious. Chrome Full support 1. I can't tell you how many projects I have needed an array I can quickly reference by a name, not a numeric index.
Another argument thisValue is used to tell the function to use this value when executing argument function.
One of has to be provided.
index — The index of the current element in the array.
There is a NodeList forEach polyfil you might consider loading if you still have legacy browsers to support. No way. KISS applies everywhere.
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|Thanks for the clarification. A common scenario I run into is looping over element list returned from document.
There is a NodeList forEach polyfil you might consider loading if you still have legacy browsers to support. If you pass an object instead of an array the function loops over the object's properties, using the name as a key.
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