js判斷window對(duì)象包含某個(gè)字符串
js判斷window對(duì)象包含某個(gè)字符串
慕前端8664132
2017-04-01 11:06:54
TA貢獻(xiàn)3條經(jīng)驗(yàn) 獲得超3個(gè)贊
$(window).find("系統(tǒng)").selector.length
判斷長(zhǎng)度是否為0 ?
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