loop through elements javascript code example
Example 1: loop through html nodelist
const fakeImages = document.querySelectorAll(".fake-image");
for (var i = 0; i < fakeImages.length; i++) {
console.log('fakeImage: ', fakeImages[i]);
}
for (const fakeImage of fakeImages) {
console.log('fakeImage: ', fakeImage);
}
for (const fakeImage of fakeImages.entries()) {
console.log('fakeImage: ', fakeImage);
};
for (const fakeImage of fakeImages.values()) {
console.log('fakeImage: ', fakeImage);
};
for (const fakeImage of fakeImages.keys()) {
console.log('fakeImage: ', fakeImage);
};
fakeImages.forEach(fakeImage => {
console.log('fakeImage: ', fakeImage);
});
[...fakeImages].forEach(fakeImage => {
console.dir(fakeImage);
});
Example 2: loop elements in javascript
var list = [{a:1,b:2}, {a:3,b:5}, {a:8,b:2}, {a:4,b:1}, {a:0,b:8}];
for (var i = list.length - 1, item; item = list[i]; i--) {
console.log("Looping: index ", i, "item", item);
}
######### ES6 Update ################
for (let item of list) {
console.log("Looping: index ", "Sorry!!!", "item" + item);
}
Example 3: loop through dom elements javascript
var all = document.getElementsByTagName("*");
for (var i=0, max=all.length; i < max; i++) {
}
Example 4: how to loop over dom objects javascript
Array.from($('.'+$( this ).attr('id'))).forEach(function(obj){
console.log(obj);
});