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bindAll javascript Code Snippet in 2023

objectfunctionintermediate

Last Updated: 31 January 2023

Binds methods of an object to the object itself, overwriting the existing method.

  • Use Array.prototype.forEach() to iterate over the given fns.
  • Return a function for each one, using Function.prototype.apply() to apply the given context (obj) to fn.
const bindAll = (obj, ...fns) => fns.forEach( fn => ( (f = obj[fn]), (obj[fn] = function() { return f.apply(obj); }) ) );
var view = { label: 'docs', click: function() { console.log('clicked ' + this.label); } }; bindAll(view, 'click'); document.body.addEventListener('click', view.click); // Log 'clicked docs' when clicked.

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